1909-1991 1909-1994 1910- 1929-1977 1960 20thcentury bennett biblicalscholars biography bissell bruce clarencel documentaryphotography edwinh francisgary greatbritain history intelligenceservice joan johnson land marionpost photographers pictorialworks powers socialconditions spies u-2(reconnaissanceaircraft) u-2incident u-2incident(1960) unitedstates wolcott