Education
After graduating from Princeton University in 1956, Cromwell studied at Massachusetts Institute of Technology and Harvard University.
After graduating from Princeton University in 1956, Cromwell studied at Massachusetts Institute of Technology and Harvard University.
He then briefly worked as a naval architect, but then changed to teaching. Although he was selected only for the 1964 Olympics, he continued to be a top United States rower up to 1970s, finishing third at the 1976 Olympic trials. He died of pancreatic cancer.
He won a silver medal in the double sculls event at the 1964 Summer Olympics and at the 1966 World Rowing Championships. During his rowing career Cromwell won seven national titles in the single sculls and several more in double sculls. He won the Diamond Challenge Sculls at the Henley Royal Regatta in 1964, rowing for the Nonpareil Rowing Club of New New York In 1963, he won a gold medal at the Pan American Games in single skulls.