[1] Her scientific work was notable for her finding that many bird species have a sense of smell, a question that had long remained unsettled.
[2] Her husband, Fred Bang, was appointed the director of the Johns Hopkins Centers for Medical Research Training in India and Bangladesh from 1961 to 1976.
"In 1940, they married, and eventually he was named chairman of the parasitology department at the Johns Hopkins University School of Hygiene.
[5] The children of Betsy and Fred Bang included Caroline (1941–1996), Axel and Molly, who illustrated her translations of folk tales and is listed as co-author.
The Bangs had a long association with the Marine Biological Laboratory there having first arrived in 1952 to conduct research; they returned for many summers thereafter to work.
In Woods Hole, Betsy volunteered and conducted tours at the laboratory and helped computerize its vast catalog of books.
[5] Betsy Bang died at her home in Woods Hole, Massachusetts, on October 31, 2003, at 91 years of age.