Robert Edward Sheridan Jr., a member of the Army's Medical Research Institute of Chemical Defense who established a neurophysiology laboratory at Aberdeen Proving Ground, died in his sleep of undetermined causes Feb. 7 at his Catonsville home. He was 53.
Dr. Sheridan was born in Darby, Pa., and raised in Fort Collins, Colo. He earned a bachelor's degree in chemistry in 1972 from Colorado State University and a master's degree and a doctorate in neurophysiology and biochemistry from the California Institute of Technology in Pasadena.
From 1977 to 1980, Dr. Sheridan was a research associate in the department of pharmacology at the University College of London and at St. George's Hospital Medical School, also in London.
He was a research fellow at the California Institute of Technology from 1980 to 1982, when he was appointed assistant professor in the department of pharmacology in the Schools of Medicine and Dentistry at Georgetown University in Washington.
In 1988, he became a civilian employee of the Army and founded a neurophysiology lab at APG. The mission of the lab was to study marine and bacterial toxins and develop countermeasures against them.
Dr. Sheridan was the author of five books. He also had more than 40 articles published in scientific journals.
"In 1998, he was an inspector and biological weapons expert for the United Nations Special Commission," said his wife of 18 years, Susan Bachus Sheridan, a psychologist at the Krasnow Institute of George Mason University.
Dr. Sheridan enjoyed listening to classical music, scuba diving and skiing.
Services were held Wednesday.
In addition to his wife, Dr. Sheridan is survived by his two school-age children, Brendan Stewart Sheridan and Ariadne Louise Sheridan.