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April 6: gave a talk to the Department of Philosophy at the University of Ottawa, “On the Hegelian Roots of Russell's Critique of Leibniz”.

March 23: finished draft of chapter 5, of The Reality of Time Flow, "Relativity and the Present", finishing chs. 3, 6 and 7. 

March 16: gave a talk to the Department of Logic and Philosophy of Science at UC Irvine, a revised version of “Monads as Constituents of Bodies in Leibniz’s Metaphysics”.

February 16: finished and submitted my paper for the Bunge FestschriftMario Bunge on causality: some key insights and their Leibnizian precedents (9330 words).

February 12:  learned that the workshop I was due to speak at in Bremen in June has been cancelled.

February 2:  finished up the editing of my dialogue Leibniz in Cantor’s Paradise”, submitted for the volume edited by Vincenzo De Risi, to come out with either Boston Studies or with Birkhäuser.

January 23: J’ai soumis ma contribution pour l'hommage au Professeur Jean-Marie Beyssade, “Jean-Marie Beyssade—une note personnelle d'appréciation”, pour publication par Denis Kambouchner et Vincent Carraud, Presses Universitaires de Paris-Sorbonne.

December-February: continued writing of The Reality of Time Flow: Local Becoming in Modern Physics. Chapters 3, 5 and 6 nearing completion.


November 29: submitted complete, revised manuscript of Monads, Composition and Force: Ariadnean threads through Leibniz’s labyrinth to Oxford University Press for publication. The submitted version is some 180,000 words. (See research interests for a description.)

November 27: accepted an invitation to a workshop on "Teleological Explanations between Leibniz and Kant”, to take place at the Van Leer Institute in Jerusalem on June 25-27, 2018.

November 14: revised version of my paper,“Leibniz’s Syncategorematic Actual Infinite”, accepted for Infinity in Early Modern Philosophy, ed. Ohad Nachtomy and Reed Winegar, the volume itself having just been accepted by Springer.

November 3: accepted an invitation to present a talk to the Philosophy Department at the University of Rome while I am in Italy in May, 2018.

October 13-15: co-hosted the 11th Leibniz Society of North America conference, at the University of Toronto, where I commented on a paper by Alejandro Naranjo Sandoval, ‘Saving Truth from Arbitrariness’. See conference website for details.

October: helped invite speakers for a workshop on philosophy of time in historical perspective, to be held at the university of Milan, May 2018.

September 22: gave a talk to the Department of Philosophy at McMaster, a revised version of “Monads as Constituents of Bodies in Leibniz’s Metaphysics”.

August 18: special issue of the journal Russell appears on the web, featuring Russell’s Leibniz Notebook, his marginal notes on his Latin editions of Leibniz’s writings, Moore’s notes on his Leibniz lectures (all of which I helped compile and edit) + an abandoned preface and the preface to the French edition of his book on Leibniz, and notes on its composition:

July-November: worked on revisions to Monads, Composition and Force.

July 7: accepted an invitation to present a talk to the Philosophy Department at the University of Ottawa on Friday, April 6, 2018.

July 3: accepted an invitation to a workshop on local and global theories of time at the University of Bremen, Germany, June 21-22, 2018.

June 12: finished final draft of Leibniz’s Syncategorematic Actual Infinite”.

June 7: participated in a day long tribute to the memory of Jean-Marie Beyssade, Séminaire Descartes, chez l'Université Sorbonne, Paris.

June 6: gave an invited paper, “Mathematics and the Leibnizian actual infinite”, to the PhilMath Intersem at Université Paris-Diderot-7 on June 6th, on the theme of “the place that infinity has played in the history of mathematics”.

June 1-2: gave an invited paper, “Monads as Constituents of Bodies in Leibniz’s Metaphysics”, to a conference on the metaphysics of composition, from a historical and systematical point of view, at the École Normale Supérieure in Paris.

May 8: finished first draft of Leibniz’s Syncategorematic Actual Infinite” invited chapter (28 pages; 10,723 words) for Studies of the Infinite in Early Modern Philosophy, ed. Ohad Nachtomy and Reed Winegar. Cambridge University Press.

May 3: did proofs of Thought Experiments in Newton and Leibniz”, for The Routledge Companion to Thought Experiments, ed. James Robert Brown, Yiftach Fehige, and Michael T. Stuart. Forthcoming with Palgrave Macmillan, 2017.

April 24: submitted abstract for my paper for the Bunge FestschriftCausality: Bunge’s seminal insights and their Leibnizian Precedents".

March-April: continued work on The Reality of Time Flow.

March 21: Informed that Polity recently sold the Japanese translation rights of my Leibniz to Keiso Shobo via The English Agency. Their edition should be published in around two years from now.

Feb 28: Submitted application to the Institute of Advanced Study in Paris for February–June 2019.

Feb 8: “Newton and Leibniz on the Relativity of Motion” published onine in Oxford Handbooks Online.

Feb 1: Invited to the PhilMath Intersem at Paris 7 on June 6th, to present on Leibniz on the theme of “the place that infinity has played in the history of mathematics".

Jan 22: invited to contribute to the Bunge Centenary Festschrift to be published by Springer in June 2019, edited by Michael Matthews, celebrating Mario Bunge’s long-standing and wide-ranging contribution to philosophy, physics and other fields in his 100th year.

Jan 13: selected by the Philosophy Department of the Università degli Studi di Milano as a senior visiting fellow for five weeks in April-May 2018, where I will give a course of 5 lectures to students, and 2 talks to the Philosophy Department, on topics in philosophy of time, and interpretation of Leibniz.


Dec 19: accepted to give a paper “Monads as Constituents of Bodies in Leibniz’s Metaphysics” at the conference Wholes and parts: systematical and historical perspectives on the metaphysics of composition organized by Jean-Pascal Anfray, June 1-2, 2017.

Dec 12: Tercentenary Essays on the Philosophy and Science of Leibniz (ed. Erik Vynckier, Lloyd Strickland and Julia Wekend; Palgrave Macmillan, 2016) is finally published, including my chapter "Leibniz, Organic Matter and Astrobiology", pp. 87-107.

Dec 7: working on final draft of Moore's Notes on Russell's Leibniz Lectures. The three articles co-authored with Nick Griffin and Jolen Galaugher that will comprise a whole issue of the journal Russell now stand as follows: "Russell's MARGINALIA" 87 pp., "Russell's NOTEBOOK" 51 pp., "MOORE's Lecture Notes" 47 pp.

Dec 4-5: finished draft of chapter 4 of The Reality of Time Flow.

Nov 20: a Japanese translation of my "Leibniz from the Perspective of Modern Science", kindly translated by Dr. Shinji Ikeda, appeared in the Studia Leibnitiana Japonica, 2016, pp. 71-98.

Nov 20: presented a paper for the Séminaire Descartes at the Sorbonne, University of Paris, on "Le part de Beeckman".

Nov 17: learned from Polity Press that arrangements have been made for a Japanese translation of my Leibniz by Keiso Shobo; subsequently confirmed by Dr. Shinji Ikeda.

Nov 15: presented a paper "Leibniz and Quantum Theoryand took part in a round-table discussion on "Leibniz and the Sciences" at an international workshop convened by the Max Planck Institute for Mathematics in the Sciences and the University of Leipzig, Leipzig.

Nov 11: "Leibniz's Causal Theory of Time Revisited" accepted for publication by the Leibniz Review. 

Oct 9-11: corrected and submitted final proofs for Introduction to Logic to Broadview Press.

Oct 7: participated through Skype as a consultant professor in the EM Infinity Seminar at Harvard University taught by Jeffrey McDonough.

Oct 31: finishing drafts of chapters 1-2 of The Reality of Time Flow

Aug 1-Oct 20: with Nick Griffin, finishing corrections to "Russell's Leibniz Notebook" and notes for "Moore's Notes on Russell's Leibniz Lectures”. 

Sept 4: submitted abstracts of "Leibniz’s syncategorematic actual infinite" for a volume on The Infinite in Early Modern Philosophy edited by Ohad Nachtomy and Reed Winegar, and of my upcoming Leipzig talk, "Leibniz and Quantum Theory". 

July 30-Aug 6: finished corrections to and amendments of the second edition of my Natural Deduction for Broadview Press, now to be retitled An Introduction to Logic, using natural deduction, real arguments, a little history and some humour; designed and launched this new website!

July 13-29, 2016: funded research at the Max Planck Institute for the History of Science in Berlin on either side of attending the Leibniz-Kongress in Hannover, Germany, where I presented two papers: "Leibniz's Causal Theory of Time Revisited" for a session on Leibniz and time, and "Monadic States, Continuous Creation and Leibniz's Law of Continuity", for a session on Leibniz and the continuum.

June 2016: paper "On the Mathematization of Free Fall: Galileo, Descartes and a History of Miscontrual", 81-111 in The Language of Nature: Reassessing the Mathematization of Natural Philosophy in the Seventeenth Century, Minnesota Studies in the Philosophy of Science, Vol, 28, ed. Geoffrey Gorham, Benjamin Hill, Edward Slowik and C. Kenneth Waters.

May 4-June 2, 2016: research leave in Paris with SPHERE (séminaire d'histoire et de philosophie des mathématiques) at Université de Paris-Diderot, meeting with PhD students working in early modern math, and giving three presentations: "Leibniz's infinitesimals and their interpretation" (May 9) "L'espace-temps l'analyse situs de Leibniz" (May 20) and "Some remarks on my article 'Leibniz's syncategorematic infnitesimals' " (May 24) at the invitation of Prof. David Rabouin.

May 13, 2016: submitted finished co-edited edition of Russell's "Notes on Leibniz" made in preparation for his Cambridge lectures in 1898, for the journal Russell.

May 3, 2016: submitted complete manuscript of Ariadnean Threads: Leibniz on substance and the composition of matter (347 pp.) to Oxford University Press, for readers' review.

April 25, 2016: completed and submitted "Thought Experiments in Newton and Leibniz" for the Routledge Companion to Thought Experiments, edited by James Robert Brown, Yiftach Fehige and Michael T. Stuart.

April 7, 2016: presented "On the Hegelian Roots of Russell's Critique of Leibniz" to the Early Modern Philosophy Seminar at Western University.

February 24, 2016: completed final editing of "Leibniz, Organic Matter and Astrobiology" for the volume Tercentenary Essays on the Philosophy and Science of G. W. Leibniz .

February 12, 2016: presented a paper on "Scaliger, Sennert, Boyle and the Origins of Leibniz's Theory of Forms", as the keynote address at the workshop on Early Modern Philosophy and Intellectual History at the University of Toyama, Toyama, Japan.

February 10, 2016: gave a public lecture at the University of Tokyo on "Leibniz from the Perspective of Modern Science", with commentary by Dr. Hiroyuki Inaoka and Dr. Kosuke Abe.


August 2015: completed a joint article with Nicholas Griffin and Jolen Galaugher, "Marginalia in Russell's Copy of Gerhardt's edition of Leibniz's Philosophische Schriften" (103 pp), which has been accepted for the journal Russell. Together with an edition of Russell's notes on Leibniz in preparation for his lectures and Moore's notes on his lectures, also edited by us, it will form one complete issue of the journal.

July 4, 2015: presented a paper "Leibniz, Organic Matter and Astrobiology", to the international Conference at the Lampeter Campus of the University of Wales. Subsequently submitted for the conference volume Leibniz-scientist, Leibniz-philosopher.

May 25, 2015: presented "Leibniz's Infinitesimals and their Interpretation", at the Society for Exact Philosophy Annual Conference, at McMaster University, Hamilton, Ontario.

April 15, 2015: presented "Spacetime in Leibniz's Analysis Situs", at the 42nd Annual Philosophy of Science Conference in Dubrovnik, Croatia.

April, 2015: began work on "Russell, Leibniz and the 'at-at' theory of motion and passage", my second chapter in Russell on Leibniz, co-authored with Nick Griffin and Jolen Galaugher.

April 2, 2015: finished and submitted revised draft of "Newton and Leibniz on the relativity of motion", an entry in The Oxford Handbook on Newton, ed. Chris Smeenk and Eric Schliesser.

March 26, 2015: finished draft of "The many ironies of Russell's critique of Leibniz's relationalism" (41 pages), a chapter in Russell on Leibniz, co-authored with Nick Griffin and Jolen Galaugher.

February 9, 2015: gave the Origins Colloquium on "Leibniz, Organic Matter and Astrobiology", in the Origins Institute, McMaster University.

February 9, 2015: contract signed with Springer for a book defending the reality of temporal passage in modern physics, tentatively titled The reality of time flow: local becoming in modern physics.

January 12, 2015: presented "The many ironies of Russell's critique of Leibniz's relationalism" to the Dept. of Philosophy, McMaster University.

January 9, 2015: presented "Leibniz's infinitesimals and their interpretation" to the Dept. of Mathematics and Statistics, McMaster University.


October, 2014: My latest book, Leibniz, in the Classic Thinkers series of Polity Press, is released in North America. Reviews coming soon in the Leibniz Review, the Journal of Consciousness Studies, and the Time Literary Supplement.

July 1, 2014: Presented paper "Spacetime in Leibniz's Analysis Situs", at the conference The Science of Space: Geometry and Metaphysics in Leibniz, at the Max Planck Institute for the Mathematics in the Sciences, Leipzig.

June 24, 2014: Presented paper "Motion Geometrically Considered, and Motion with Respect to Cause" at the conference The Mechanization of Geometry: from Antiquity to the Modern Age, at the Max Planck Institute for the History of Science, Berlin, staged jointly by the MPIWG and the Scuola Normale Superiore, Pisa.

June 21, 2014: Presented paper "Leibniz on the relativity of motion", to the Institute for History and Foundations of Science, Utrecht, Netherlands.

June 11, 2014: Submitted an article "Newton and Leibniz on the relativity of motion", for the Oxford Handbook on Newton ed. Chris Smeenck and Eric Schliesser.

May 26, 2014: Commented on a paper by Adam Harmer at the CPA Annual Meeting, "Leibniz and Descartes Against Material Monism", and chaired a session by on a paper by Gülberk Koç on "Bertand Russell's Neutral Monism".

May 24, 2014: Took part in a plenary session (author-meets-critics) at the CSHPS Annual Meeting, presenting "Comments on Lee Smolin's Time Reborn".

March 2014: Corrected proofs for my book Leibniz, forthcoming from Polity Press in August (UK & Australia) and October (Canada and US).

March 2014: Visited the University of Lethbridge as external reviewer for their MA programs.

January-April 2014: worked in the Russell Archives with Nicholas Griffin and Jolen Galaugher on three co-authored articles detailing Russell's marginalia on his copies of Gerhardt's editions of Leibniz's works.


December 2013: Review of Klaas van Berkel's Isaac Beeckman on Matter and Motion accepted for publication by HOPOS in their Spring 2014 issue.

November 2013: Submitted article, "The relativity of motion as a motivation for substantial forms", for a volume Leibniz's metaphysics: the adoption of substantial forms under contract with Springer.

October 2013: Submitted article on Descartes on Time for the Descartes Lexicon.

September 2013: Submitted article "Massimo Mugnai and the Study of Leibniz" for the Leibniz Review.

September 2013: Submitted translation and commentary of Leibniz's ˆ for the Leibniz Review.

September 2013: Completed and submitted manuscript of Leibniz to the publishers, Polity Press, for readers' review.

May 29, 2013: presented "Physical indivisibles in matter and motion: remarks on Scaliger, Beeckman and Leibniz", for a workshop on Finite Geometry, Indivisibles and Minima from the Middle Ages to the 18th Century, at the Max Planck Institute for the History of Science, Berlin.

May 22, 24, 2013: lectured on and discussed my dialogue "Leibniz in Cantor's Paradise", in two sessions at the Scuola Normale Superiore, Pisa, Italy .

May 15, 2013: presented "Points of view, substantial forms and the situations of monads", for the Oltenia Colloquium in Early Modern Philosophy, University of Craiova, Bucharest, Romania.

May 11, 2013: submitted complete draft of "On the mathematization of free fall: Galileo, Descartes and a history of misconstruals", for a volume on The Mathematization of Nature, in the Minnesota Studies in the Philosophy of Science Series.

April 4, 2013: presented "Points of view: the relevance of the relativity of motion to Leibniz's revised concept of substantial form", at the Department of Philosophy, University of Toronto.

March 22-23, 2013: commented on Adam Harmer's "Corporeal Substances and Composite Unities in Leibniz" at the Spinoza-Leibniz Workshop in Toronto.

March 22, 2013: my 16,700 word "Leibniz's Syncategorematic Infinitesimals" accepted for publication in Archive for History of Exact Sciences .

February 2012-July 2013: Working on drafts of chapters of my Leibniz for Polity Press.


October 19-20, 2013: presented "Leibniz on the Relativity of Motion", at the 6th Annual Conference of the Leibniz Society of North America at Concordia University in Montreal.

October 11-14, 2012: attended workshop on the Language of Nature at the Rotman Institute at Western University, where my paper "The Premodern Theory of Motion: Galileo and Descartes", was presented and discussed.

May, 2012: presented "Vexed Relations: the many ironies of Russell's Critique of Leibniz's Relationalism" to the First Annual Conference of the Society for the Study of the History of Analytic Philosophy in Hamilton, and "Leibniz on the Relativity of Motion" to the CSHPS in Waterloo, Ontario.

April, 2012: presented "Leibniz on the Relativity of Motion" to the IHPST in Toronto and to the Annual Philosophy of Science Conference at the International Centre in Dubrovnik, Croatia.

© Richard TW Arthur 2016