Robert Millikan Facts by Conlin Babbit https://padlet.com/cbabbit24/dpuba2jducbvpg8x Known for an oil-drop en-us 2021-11-01 18:25:45 UTC 2026-01-25 17:53:22 UTC hello@padlet.com https://padlet.net/icons/png/269b.png Born: March 22, 1868 in Illinois cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867335376 2021-11-04 12:54:11 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867335376 Died: December 19, 1953 in San Marino, California cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867343450 2021-11-04 12:57:36 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867343450 cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867350302 He was awarded the Nobel Prize for Physics in 1923 for studying the elementary electronic charge and the photoelectric effect.]]> 2021-11-04 13:00:38 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867350302 Graduated from Oberlin College in Oberlin, Ohio in 1895. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867361812 2021-11-04 13:05:46 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867361812 cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867366175 After college, he became an assistant professor in 1896 for The University of Chicago. During his time as an assistant, he wrote several college and high school physics textbooks.]]> 2021-11-04 13:07:34 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1867366175 In 1909 he began experiments to determine the electrical charge of an electron. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873554765 He did not believe the experiment's results due to not enough accuracy to be convinvincing.]]> 2021-11-08 00:14:37 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873554765 In 1910 he got more precise results with his oil-drop experiment. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873558790 He replaced the water with oil since the water evaporated quickly.]]> 2021-11-08 00:17:19 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873558790 In 1916 he experimentally verified the equation introduced by Albert Einstein in 1905 to describe photoelectric effect. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873581946 2021-11-08 00:31:13 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873581946 Millikan's oil-drop experiment cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873589685 He varied the electric voltage between two metal plates as the oil drop fell between them until it stopped falling. When the drop was stationary, the force of gravity on the drop equaled the electrical force on the charges in the drop, and then Millikan could measure how much charge the drop had.




]]> 2021-11-08 00:35:18 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873589685 During 1917 which was World War 1 he became the vice chairman of the National Research Council in Washington, D.C. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873608526 2021-11-08 00:45:19 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873608526 In 1921 he left the University of Chicago to become director of the Norman Bridge Laboratory of Physics at the California Institute of Technology in Pasadena. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873616955 There he studied radiation that Victor Hess detected in outer space.]]> 2021-11-08 00:49:05 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873616955 Worked at California Institute of Technology as the chairman of the executive council. From 1921 to his retirement in 1945. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873622031 2021-11-08 00:51:29 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873622031 Interesting Facts cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873634573 He played tennis, as well as golf]]> 2021-11-08 00:57:29 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873634573 Millikan's Parents cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873641007  His mother was a dean at a Michigan college before she relocated to Illinois and his father was a Congregational minister. Their names were Mary Jane Andrews and Silas Franklin Millikan.]]> 2021-11-08 01:00:42 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873641007 Millikan married Greta Erwin Blanchard in 1902. cbabbit24 https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873647504 They had three sons, Clark Blanchard, Glenn Allen, and Max Franklin.]]> 2021-11-08 01:04:00 UTC https://padlet.com/cbabbit24/dpuba2jducbvpg8x/wish/1873647504