By Andrew Bolton, with contributions by Susannah Frankel and Tim Blanks; Photography by Sølve Sundsbø Alexander Mc Queen (British, 1969-2010) was one of the most influential, imaginative, and provocative designers of his generation. His clothing both challenged and expanded the conventional parameters of fashion to express ideas about culture, politics, and identity. Rare among designers, Mc Queen saw beyond clothing's physical constraints to its ideological and conceptual possibilities, address