[[Image:KasparovKamenKheifitsLarge.gif|right|300px|thumb|Surveillance photograph taken by [[Manhattan Project]] security officials. On the right is Gregory Kheifits, San Fransisco KGB ''Rezident'', center Martin Kamen, left Gregory Kasparov (Courtesy National Security Archives). [http://www.cfo.doe.gov/me70/manhattan/kasparovkamenkheifits.htm] ]]
'''Martin David Kamen''' (1913 – 2002), was a discoverer of the isotope carbon-14 at the University of California Radiation Laboratory, Berkeley which was part of the [[Manhattan Project]].
'''Martin David Kamen''' (1913 – 2002), was a discoverer of the isotope carbon-14 at the University of California Radiation Laboratory, Berkeley which was part of the [[Manhattan Project]].