Philadelphia Area Archives

Start Over People Einstein, Albert, 1879-1955 Form Archival materials Year 1950 to 1999

Otto Theodor Benfey Chemistry Stamps Collection, 1976-1996 (inclusive)

Extent:: 0.1 linear feet (1 folder.)
Abstract:: A collection of stamps related to the field of chemistry collected by German chemist and historian of science Otto Theodor Benfey.

Held at: Science History Institute Archives [Contact Us]

Witco Stamp Collection, 1910-1983 (inclusive)

Extent:: 340 sheets (7 boxes)
Abstract:: A collection of international postage stamps and philatelic material depicting various aspects of chemistry and related sciences.

Held at: Science History Institute Archives [Contact Us]

Letter from Robert Oppenheimer, 1955

Extent:: 0.10 linear feet (1 folder)
Abstract:

Held at: Science History Institute Archives [Contact Us]