The elements of the sixth group of the periodic system The group is na...
Bernardino Telesio (Latin Bernardinus Telesius; * 1508 ...
Eleanor Louise " Ellie " Greenwich ( born October 23 Jeff Barry was su...
R. Joseph "Joe" Hoffmann ( born December 16, 1947 His work deals essen...
Robert Roberts Hitt ( born January 16, 1834 in Urbana Between 1882 and...