Greenstein, George, 1940- (Personal Name)

His Frozen star, 1984: t.p. (George Greenstein)

The quantum challenge, 1997: CIP t.p. (George Greenstein, Amherst College)

Phone call to publisher, 09-24-96 (George S. Greenstein)

Info. from MA, Sept. 30, 1998 (Author of Frozen star and The quantum challenge same person)

The quantum challenge, 2005: CIP t.p. (George Greenstein; Amherst College) data sheet (b. Sept. 28, 1940)