October 26, 1972, saw the death of Igor Sikorsky, the man responsible for what mode of transport?
october 26, 1972, saw the death of igor sikorsky, the man responsible for what mode of transport
FreebaseQA-train-9604.P0
igor sikorsky
igor sikorsky
m.01cb9n
law.inventor.inventions
m.09ct_
helicopter