
Crawford W. Long
Crawford W. Long (1815–1878), American physician who first used sulphuric ether for surgical anaesthesia on March 30, 1842

Crawford W. Long (1815–1878), American physician who first used sulphuric ether for surgical anaesthesia on March 30, 1842

Elmer Isaac “Ira” McKessen (1881-1935) was an inventor, physician and engineer. McKesson Intermittent ventilator, metabolor, and the nargraf