Meaning : Swiss chemist who synthesized DDT and discovered its use as an insecticide (1899-1965).

Meaning : Swiss physicist who studied superconductivity (born in 1927).

Meaning : German physiologist and anatomist (1801-1858).

Meaning : German mathematician and astronomer (1436-1476).

Meaning : British philologist (born in Germany) who specialized in Sanskrit (1823-1900).

Meaning : United States geneticist who studied the effects of X-rays on genes (1890-1967).

Meaning : A reflective thinker characterized by quiet contemplation.

Meaning : A heavy tool of stone or iron (usually with a flat base and a handle) that is used to grind and mix material (as grain or drugs or pigments) against a slab of stone.

Meaning : A vessel in which wine is mulled.