Dr Richard S. Ross, a cardiologist who served as the dean of the John Hopkins University School of Medicine has died.
He also served as president of the American Heart Association in the early 1970s. The 91-year-old was suffering from Parkinson's disease, died on August 11.
Dr Ross was the dean of the John Hopkins University School of Medicine from 1975 to 1999, the second largest tenure in the history.
He made important contributions to coronary research. He helped develop coronary cineangiography, a method for what he called "taking the first motion pictures of the heart."
In 1974, Dr Ross was one of the three physicians asked by a federal judge to examine former President Richard Nixon to determine whether Nixon was not well enough to testify during the Watergate investigations then underway. Dr Ross and his fellow physicians determined that Nixon was indeed too ill to travel.
Dr Ross graduated from Harvard Medical School in 1947. He wrote more than 150 articles on cardiovascular physiology and disease, served on prominent national medical advisory groups and was the recipient of many professional honors.