Herbert Siegfried Oskar Ahues (02-03-1922 - 11-07-2015) German chess composer and FIDE Grandmaster of chess composition

The son of IM Karl Ahues was a specialist of modern twomovers, especially the white lines combinations (A, B, C themes) presented with thematic try play.
He has composed more than 2000 problems and has been GM since 1989. He was also International Judge.
He has published a selection of his best problems: "Meine besten Schachprobleme. 600 gewählt Zweizüger und 3 Dreizüger" (1988, 2nd ed. 2006). His "Weiße Linienkombinationen mit thematischen Verführungen" was published as a special issue of "Die Schwalbe".