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Wilhelm Hallwachs

Physicist, photoelectric effect (1859-1922).

Born July 9th, 1859 in Darmstadt.

Died June 20th, 1922 at 62 years old in Dresden.

Occupations
physicist, university teacher
Wikipedia

Today you are you! That is truer than true! There is no one alive who is you-er than you! Dr. Seuss