- United States. Tuskegee Syphilis Study Ad Hoc Advisory Panel1
- United States. Typhus Commission1
- Watkins, Tobias, 1780-18551
- Wilder, Alexander, 1823-19081
- Winston, Thomas, 1829-19281
- Woodward, Joseph Janvier, 1833-18841
- Yarrow, H. C. (Henry Crecy), 1840-19291
