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
Answer : (a)
Explanation : Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.