Image: Robert J. Van de Graaff
Robert_J._Van_de_Graaff.jpg (262 × 378 pixels, file size: 13 KB, MIME type: image/jpeg)
Description: Robert J. Van de Graaff
Title: Robert J. Van de Graaff
Credit: MIT Museum Collections
Author: Unknown
Permission: Historically significant fair use
Usage Terms: Fair use of copyrighted material in the context of Robert J. Van de Graaff
License: Fair use
License Link: //en.wikipedia.org/wiki/File:Robert_J._Van_de_Graaff.jpg
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