Richard Pearson Strong (1872–1948) was a tropical medicine professor at Harvard who did significant work on plague, cholera, bacillary dysentery and other diseases.

He was the first professor of tropical medicine at Harvard, where he critically infected 24 unknowing victims with cholera, causing 13 of their deaths.

[2] Strong, while the head of the Bureau of Laboratories in Manila, carried out vaccine trials at the Philippine Bilibid Prison.

During one of the experimental trials in 1906, twenty-four prisoners were injected, without their consent, with a cholera vaccine that was contaminated with bubonic plague.

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