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William Coblentz

American physicist (1873–1962).

Born November 20th, 1873 in Mahoning County.

Died September 15th, 1962 at 88 years old in Washington, D.C..

Occupations
astronomer, physicist
Wikipedia
William_Coblentz

As you get older, three things happen: The first is your memory goes, and I can't remember the other two. Norman Wisdom