zEther synthesized in 1540 by Cordus

zEther used as anesthetic in 1842 by Dr. Crawford W. Long

zEther publicized as anesthetic in 1846 by Dr. William Morton

zChloroform used as anesthetic in 1853 by Dr. John Snow

zEther synthesized in 1540 by Cordus

zEther used as anesthetic in 1842 by Dr. Crawford W. Long

zEther publicized as anesthetic in 1846 by Dr. William Morton

zChloroform used as anesthetic in 1853 by Dr. John Snow

zEther synthesized in 1540 by Cordus

zEther used as anesthetic in 1842 by Dr. Crawford W. Long

zEther publicized as anesthetic in 1846 by Dr. William Morton

zChloroform used as anesthetic in 1853 by Dr. John Snow

zEther synthesized in 1540 by Cordus

zEther used as anesthetic in 1842 by Dr. Crawford W. Long

zEther publicized as anesthetic in 1846 by Dr. William Morton

z

Chloroform used as anesthetic in 1853 by Dr. John Snow

zEther synthesized in 1540 by Cordus

zEther used as anesthetic in 1842 by Dr. Crawford W. Long

zEther publicized as anesthetic in 1846 by Dr. William Morton

zChloroform used as anesthetic in 1853 by Dr. John Snow