Hugo Carl Plaut (b.12 October 1858 - d.17 February 1928) was a German physician, who worked primarily as
a bacteriologist and mycologist in human and animal medicine .
He is best known for his discovery of the cause of Plaut-Vincent angina an infection of the tonsils caused by spirochaeta and treponema bacteria.
He was also a pioneer in the field of vaccination and he created a vaccine for sheep pox.