Dr. Jules Tygiel was a professor of history at San Francisco State University. He wrote two significant baseball books: Baseball's Great Experiment: Jackie Robinson and His Legacy, published in 1983 remains a classic, not just in the field of baseball research, but in History in general. It is a study of integration in baseball. Past Time: Baseball as History won both the New York Times Notable Book of the Year in 2000 and SABR's 2001 Seymour Medal for best book of baseball history or biography.
- Richard Zitrin: "Jules Tygiel", in The Baseball Research Journal, SABR, Volume 39, Number 1 (Summer 2010), p. 131.