AIP History Center Newsletter
Photos and Quotes included in the
Fall 2005 Issue of the CHP Newsletter

Click directly on any photo to see a larger image.

 Henry Anton Erikson demonstrating the properties of liquid air in his Department of Physics lecture room, University of Minnesota, about 1926. Photo courtesy AIP Emilio Segrè Visual Archives, gift of Susan Kilbride.

That we can think in ways that we know belonged to eras of which we are not permanent members can, I believe, help us as historians to think about contemporary science. The science of our day, too, will someday belong to an earlier era.... The experience of dealing with older science can lead us to a deeper understanding of what it means to enter into the thought of our current age without being captive to it.

—Frederick L. Holmes

A photographic representation of probability of electron densities in various “orbitals” (energy eigenstates), from Robert Leighton, Principles of Modern Physics (MGraw-Hill, 1959, p. 179), an especially fine copy donated recently to the Niels Bohr Library by Martin Klein. Leighton was not the first to make such a representation but his widely-used textbook exposed it to millions of physicists.

Halloween 1983, Professor Larry Jones as Martin Veltman, with the real Martin Veltman. Photo courtesy AIP Emilio Segrè Visual Archives, Lawrence Jones Collection.

Victor F. Weisskopf at the University of Michigan at Ann Arbor. Photo courtesy AIP Emilio Segrè Visual Archives, Lawrence Jones Collection.

U.S. Post Office stamp of Richard Feynman. Donated by Gerald Skloot, May 2005.
(At left) Ralph Leighton was a close friend of Richard Feynman and his drumming and adventure partner. The two best-sellers, Surely You're Joking Mr. Feynman and What Do You Care What other People Think? are "as told to Ralph Leighton." Here Ralph played the drums at the dedication of a stamp and a street renamed after Feynman, as a tribute to his friend. At right, a photo of the Feynman stamp. Both photos donated by Gerald Skloot, May 2005.

If to all the other perceptions of the scientist were added an internal knowledge of the history of his own subject, that combination would be capable of producing a higher state of awareness and a greater elasticity of mind.

-Herbert Butterfield 

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