Adam Sedgwick 1785-1873 Sedgwick was one of several great figures in what has been called the Heroic Age of geology -- the time when the great geological time periods were defined, and when much exploration and fundamental research was carried out. http: //ucmp.berkeley.edu/history/sedgwick.html...
Advent of Health - Alexander Fleming Information on health topics, including diseases, medicines, innovative people, and health organizations. http: //limiting.tripod.com/flem.htm
Antony van Leeuwenhoek Antony van Leeuwenhoek learned to grind lenses, made simple microscopes, and began observing with them... http: //ucmp.berkeley.edu/history/leeuwenhoek.h...
Aristotle A brief biography of Aristole. http: //ucmp.berkeley.edu/history/aristotle.htm...
Dinosaurs