Holladay Edgar Dinwiddie (26.10.1925)
American problemist who edited problem section in the American Chess Bulletin from 1949 till 1963. International Judge for Chess Compositions in 1956, International Master for Chess Composition in 1977. Author of To Allan White (1945), US Chess Problem Anthology (published posthumously in 2004 by Robert Clyde Moore). Many of his work were published in Holladay Chess Problems by by Robert Moore and Edgar Holladay (2007).