 1743 - Martin Heinrich Klaproth born: discovered uranium (U, element 92) from pitchblende; discovered zirconium (Zr, 40); codiscovered cerium (Ce, 58); rediscovered chromium (Cr, 24). |
| 1909 - Calcium carbide was first produced in North America by American Cyanamid Co. (now part of BASF Agricultural Products). |
| 1925 - Martin Rodbell born: G-proteins and their role in signaling in cells; Nobel prize (medicine), 1994. |
sources: http://webserver.lemoyne.edu/faculty/giunta/week.html, http://todayinsci.com
|
|
