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Mary O. Amdur of Westwood, a former senior research scientist in the Energy Laboratory and lecturer in the Department of Applied Biological Sciences, died on February 16 at the age of 76. She retired from MIT in 1988 after 12 years at the Institute.

Mrs. Amdur was also a researcher at the Massachusetts Eye and Ear Infirmary and an associate professor of physiology and toxicology at the Harvard School of Public Health. Her work on air pollution, industrial health, lead exposure and the pulmonary effects of airway irritants won her several awards and played a major role in the development of air pollution standards. She also served on several committees for the NIH, the Environmental Protection Agency, and the Occupational Safety and Health Administration.

Mrs. Amdur leaves a son, David of Westwood.


Word has been received of the February 19 death of John E. Barnes, 82, of Concord, NH, a former secretarial worker at Lincoln Laboratory. He was hired in 1957 and retired in 1979.


John P. Blake, 79, of Rockland, a former custodian with Physical Plant, died on February 25. He retired in 1985 after working at MIT for 12 years. Survivors include his wife, Irene; two daughters, Lauraine Ayemoba and Marinella Blake; a son, Emerson; and one grandchild.


A funeral Mass was held on February 20 at St. Thomas Church in Wilmington for Joseph M. Estrella, 90, of Cornish, ME, who died on February 17. A former instrument maker in the Center for Space Research, he worked at MIT from 1960 until his retirement in 1973.

Mr. Estrella is survived by his son, Joseph E. Estrella of Cornish, six grandchildren and three great-grandchildren. Donations in his memory may be made to the American Heart Association, 20 Speen St., Framingham, MA 01701.


Paul Perreault, 76, of Andover, a former machinist at Lincoln Laboratory, died on March 16. He was hired at MIT in 1969 and retiredin 1987. Survivors include his wife, Geraldine.

A version of this article appeared in MIT Tech Talk on April 1, 1998.

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