Ștefania Mărăcineanu
Ștefania Mărăcineanu | |
|---|---|
 Anniversary stamp issued in 2013 to honour the scientific activity of Stefania Mãrãcineanu. However, the image on the stamp is not Stefania's, but of Marie Curie, whom she worked with. | |
| Born | June 18, 1882 |
| Died | 1944 |
| Nationality | Romanian |
| Education | Central School for Girls, Bucharest |
| Scientific career | |
| Institutions | Radium Institute |
Ștefania Mărăcineanu (June 18, 1882 – 1944) was a Romanian physicist.
Biography
"I have great esteem for the work that [Ștefania Mărăcineanu] has accomplished. In particular, she has acquired a perfect knowledge of precise electrometric measurements."[1]
Less is known about her personal life, only that she had an unhappy childhood. Mărăcineanu received her degree in physical and chemical sciences in 1910, going on to teach at the Central School for Girls in Bucharest.[1] She then travelled to Paris to do research at the Radium Institute with Marie Curie from around 1919 until 1926, where she also received her doctorate in 1924. At the Radium Institute, Mărăcineanu researched the half-life of polonium and devised methods of measuring alpha decay.[2] This work led her to believe that radioactive isotopes could be formed from atoms as a result of exposure to polonium's alpha rays; an observation which would lead to the Joliot-Curies' 1935 Nobel Prize.[3] She also investigated the possibility of sunlight inducing radioactivity; work which was contested by other researchers.[2]
Mărăcineanu went on to work at the Paris Observatory until 1930, after which she returned to Romania and performed experiments investigating the link between radioactivity and rainfall, and rainfall with earthquakes.[2] She died in 1944, though the exact date and reason are unknown.[1]
References
- ^ a b c Marelene F. Rayner-Canham; Geoffrey Rayner-Canham (1997). A Devotion to Their Science: Pioneer Women of Radioactivity. Chemical Heritage Foundation. pp. 87–91. ISBN 0941901157. Retrieved 3 November 2014.
- ^ a b c Marilyn Bailey Ogilvie; Joy Dorothy Harvey (2000). The Biographical Dictionary of Women in Science: L-Z. Taylor & Francis. p. 841. ISBN 041592040X. Retrieved 3 November 2014.
- ^ Ibrahim Dincer; Călin Zamfirescu (2011). Sustainable Energy Systems and Applications. Springer Science & Business Media. p. 234. ISBN 0387958614. Retrieved 3 November 2014.
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