An objective of this book is to discuss some of the contributions made by John Grote to philosophy. This work is an extension of a dissertation written for the doctorate at Boston University. The author wishes to acknowledge the invaluable assistance in many places to Professor Peter A. Bertocci and the late Professor Edgar S. Brightman both of whom read the entire manuscript in its original form. Also, the author acknowledges the encouraging interest and support of his wife, Helen, whose many suggestions have improved the writing and without whose assistance this work would not have been accomplished. The author assumes complete responsibility for whatever errors or deficiencies appear in the book. All known writings of Grote are listed and the more important ones analyzed. LAUCHLIN D. MACDONALD CHAPTER I INTRODUCTION 1. JOHN GROTE'S LIFE i. Sketch of his life John Grote will remain best known by reason of the thought formu- lated in the Exploratio Philosophica, or Rough Notes on Modern I ntellectu- al Science. To the philosophical world of his own time he was well known as the teacher who ably held the chair of Moral Philosophy in the University of Cambridge from r855 until the year of his death, r866, to the Knightbridge Professor, William Whewell whose in succession Philosophy of Science is the subject of at least one chapter of the Exploratio Philosophica. Grote's birthplace was Beckenham in Kent, and the date, May 5, r8r3.