McMullin was influential on the thought of the eminent philosopher of biology Michael Ruse.
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Harvard University philosophy professor Peter Godfrey-Smith discusses McMullin's views on Scientific realism in the book Theory and reality (University of Chicago Press, 2003, p. 178, 251, 264), citing McMullin's paper "A Case for Scientific Realism" in the book Scientific Realism, edited by Jarrett Leplin (University of California Press, 1984).