n.
1.United States telephone engineer who assisted Alexander Graham Bell in his experiments (1854-1934)
2.United States psychologist considered the founder of behavioristic psychology (1878-1958)
3.United States geneticist who (with Crick in 1953) helped discover the helical structure of DNA (born in 1928)
Idiom of the Day
sign (something) over
to give something legally to someone by signing one`s name
The man signed over his car to his son on his 21st birthday.