FALL/WINTER 2007
In 1907, Stanley Coulter was named Purdue’s first dean of science. Around the world over the next one hundred years, the first antibacterial agent was invented in 1910 to combat syphilis; the neutron was discovered in 1932; in 1953, Francis Crick and James Watson discovered DNA’s double-helix structure; and the AIDS virus appeared in the 1980’s, becoming a worldwide epidemic and health concern.