Template:Selected anniversaries/July 21: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 23: | Line 23: | ||
||Giovanni Frattini (d. 21 July 1925) was an Italian mathematician, noted for his contributions to group theory. | ||Giovanni Frattini (d. 21 July 1925) was an Italian mathematician, noted for his contributions to group theory. | ||
||Edmund Newton Harvey (d. July 21, 1959) was an American zoologist. He was acknowledged as one of the leading authorities on bioluminescence. | |||
||1959 – NS Savannah, the first nuclear-powered cargo-passenger ship, is launched as a showcase for Dwight D. Eisenhower's "Atoms for Peace" initiative. | ||1959 – NS Savannah, the first nuclear-powered cargo-passenger ship, is launched as a showcase for Dwight D. Eisenhower's "Atoms for Peace" initiative. | ||
Revision as of 05:36, 1 April 2018
1810: Chemist and physicist Henri Victor Regnault born. He will be an early thermodynamicist, best known for his careful measurements of the thermal properties of gases, and for mentoring William Thomson in the late 1840s.
1910: Physicist John Ambrose Fleming delivers lecture from within giant novelty Fleming tube.
1911: Professor of English and philosopher of communication theory Marshall McLuhan born. He will coin the expressions "the medium is the message" and "global village".
2016: Synthetic organism Ultravore begins consuming radioactive chemical waste at the Hanford Site.