51. What African-American inventor received 5 patents in the field of shoemaking?
(a) Elijah McCoy
(b) Jan Ernst Matzeliger
(c) Ernest Just
(d) Lewis Latimer
52. This part-time race car driver invented the bucket seat in 1969. Who was he??
(a) Steve McQueen
(b) Harrison Frazier
(c) Paul Newman
(d) John Wayne
53. The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
(a) Robert Oppenheimer
(b) James B. Conant
(c) Leslie R. Groves
(d) Vannevar Bush
54. Who is the English physicist responsible for the ‘Big Bang Theory’?
(a) Albert Einstein
(b) Michael Skube
(c) George Gamow
(d) Roger Penrose
55. This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
(a) Bessie Blount
(b) Marjorie Joyner
(c) Mae Jamison
(d) Beulah Henry
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