John Holmes Dingle (24 November 1908–15 September 1973) was an American physician and medical professor.
[1] He spent the next two years as a bacteriologist with the Maryland State Department of Health Laboratory and Upjohn Company.
[2] During his time at medical school, Dingle, along with fellow student Leroy Fothergill, confirmed that birds played a role in the transmission of Eastern equine encephalitis, which had recently killed five children in New England.
He then joined the staff of Boston City Hospital's Thorndike Memorial Laboratory as the Francis Weld Peabody Fellow.
He stepped down as department head afterwards, but remained on the teaching staff until his death of heart attack four years later.