 From 1879 until 1884, Peirce maintained a second job teaching logic in the Department of Mathematics at Johns Hopkins University. During that period the Department of Mathematics was headed by the famous mathematician J. J. Sylvester, whom Peirce had met earlier through his father Benjamin. This teaching period also was characterized by Peirce’s having several students who made names for themselves in their own right. Among these were Oscar Howard Mitchell, Allan Marquand, Benjamin Ives Gilman, Joseph Jastrow, Fabian Franklin, Christine Ladd (later, after having married Fabian Franklin, Christine Ladd-Franklin), Thorstein Veblen, and John Dewey.  Brief commentary will be offered at the end of this essay on three of these figures: John Dewey, Oscar Howard Mitchell, and Christine Ladd.  It is sometimes said that William James was also one of Peirce’s students, but this claim is erroneous: it conflates the fact of James’s being an old and a close friend of Peirce, as well as being a fellow-member with Peirce in the so-called “Metaphysical Club” in Cambridge, Massachusetts, with the non-fact of James’s being a student of Peirce at Johns Hopkins University along with John Dewey and others.