1931
James Freeman Gilbert, American geophysicist and academic (died 2014)
James Freeman Gilbert, American geophysicist and academic (died 2014)
James Freeman Gilbert, American geophysicist and academic (died 2014)
American geophysicist (1931–2014)
James Freeman Gilbert, American geophysicist and academic (died 2014)
James Freeman Gilbert, American geophysicist and academic (died 2014)