Helenka Pantaleoni | |
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| Born | Helen Tradusa Adamowska November 22, 1900 Brookline, Massachusetts, U.S. |
| Died | January 5, 1987 (aged 86) |
| Occupation(s) | Humanitarian, actress |
| Known for | Founder and Director U.S. Committee for UNICEF |
Helen Tradusa "Helenka" Adamowska Pantaleoni (November 22, 1900 – January 5, 1987) was an American silent film actress and humanitarian. She was the founding director of the U.S. Committee for UNICEF, a role that she held for 25 years. Her granddaughter is American actress Téa Leoni.