Dmitri Vladimirovich Skobeltsyn (Russian: Дмитрий Владимирович Скобельцын) (November 24, 1892 in Saint Petersburg – November 16, 1990) was a Soviet physicist, academician of the Soviet Academy of Sciences (1946), Hero of Socialist Labor (1969).
In 1929, while using a cloud chamber to try to detect gamma radiation in cosmic rays, Skobeltsyn detected particles that acted like electrons but curved in the opposite direction in an applied magnetic field. He was puzzled by these results, and they remained unexplained until the discovery of the positron by Carl David Anderson in 1932.
- Cowan, Eugene (November 1982). "The Picture That Was Not Reversed". Engineering & Science. 46 (2): 6–28.