| Ruth Lewin Sime | |
| Birth Date: | 2 July 1939 |
| Occupation: | Educator |
Ruth Lewin Sime is an American author, educator and scientific researcher, best known for publishing works on history of science.[1] She has written several books and articles concerning nuclear physicist Lise Meitner and radiochemist Otto Hahn, who were both involved in the discovery and explanation of nuclear fission.[1]
Sime is a professor emerita in the Department of Chemistry at Sacramento City College.
Sime graduated from Barnard College in 1960 and received a Ph.D. from Harvard University in 1964.