Author(s):

Frank J. Swetz (The Pennsylvania State University)

John Collins (1625-1683) was an English mathematician, a teacher of mathematics in London, and a writer of books on applied mathematics. He was an active correspondent with the prominent mathematicians of his day, a pastime that earned him the nickname the “English Mersenne.” An entry in the 1684 *Philosophical Transactions* that begins at the bottom of page 38 directly below gave Collins' correspondence with John Wallis on “some Defects in Algebra.”

*This material was obtained through the courtesy of the Peabody Library of Johns Hopkins University.*

Index to Mathematical Treasures

Frank J. Swetz (The Pennsylvania State University), "Mathematical Treasure: John Collins on ‘Defects in Algebra’," *Convergence* (July 2016)