a Swiss chemist who received the Nobel prize in Medicine for his 1939 discovery of insecticidal qualities and use of DDT in the control of vector diseases such as malaria and yellow fever.

an Austrian novelist, short story writer and playwright

an Italian neurologist who discovered the method of electroconvulsive therapy (ECT) used in psychiatry.

an Italian composer of classical music, musicologist, and music critic

an important figure in eighteenth-century English and American Unitarianism

a French scientific instrument inventor and physicist. He was one of the pioneers in studying the problem of friction, which is the resistance to motion when bodies make contact.