The Gallery Philosophy of mathematics Jean van Heijenoort Willard van Orman Quine David K. Lewis Willard van Orman Quine Sofya Yanovskaya W.V. Quine Horace Romano Harré Edward N. Zalta Richard Zach John Worrall Mark Wilson Roberto Torretti William W. Tait Yorick Smythies Hans Sluga Jean-Michel Salanskis Gideon Rosen Michael Resnik Stathis Psillos Carl Posy Jesús Padilla Gálvez A. W. Moore Brian McGuinness Norman Malcolm 1 2 3 4 5