Derek Blake Booth  Derek Blake Booth (born 7 April 1953) is an American geologist and heir presumptive to the Booth baronetcy "of Allerton Beeches, Liverpool". Educated at Hampshire College, Amherst, Massachusetts (B.A. in Literature, 1974), University of California, Berkeley (B.A. in Geology, 1978), Stanford University (M.S. in Geology, 1980) and the University of Washington (Ph.D. in Geological Sciences, 1984), Booth was Professor of Civil & Environmental Engineering and Earth & Space Sciences at the University of Washington, before working at Stillwater Sciences (later President). Of Anglo-American aristocratic descent, he married firstly 28 June 1981 (divorced 2000) Elizabeth Dreisbach by whom he has two children. Booth married secondly 24 June 2006 Stephanie Louise Moret and lives in Santa Barbara, California.