Dr. Wasdin First To Attend To President McKinley

"The fatal shots were fired at seven minutes past four [on September 6, 1901].  Dr. Herman Mynter, accompanied by Dr. Eugene Wasdin...was the first surgeon to arrive." President McKinley died on September 14, 1901.

Source

"Surgeon Eugene Wasdin of the Public Health and Marine-Hospital Service died at Philadelphia, Pennsylvania, on November 17, 1911. Dr. Wasdin was born in Georgetown, South Carolina, September 28, 1859; he graduated from the Medical College of the State of South Carolina in 1882, and was appointed an Assistant Surgeon in the Marine Hospital Service August 2, 1883. He was stationed successively at New Orleans ,Louisiana; Galveston, Texas;, New York NY; Chicago, Illinois; Mobile, Alabama; Charleston, South Carolina; South Atlantic Quarantine, Pittsburg, Pennsylvania; Havana, Cuba; Washington, D. C.; Buffalo, New York; and Memphis, Tennessee. He also served upon the Yellow Fever Commission of the service to which he belonged and was a delegate to the International Medical Congress in 1899. He was also detailed for special duty at Bremen, Hamburg, Antwerp, and Rotterdam. While in Buffalo in 1901 he was assigned to special duty with the President. On July 22, 1909, Dr. Wasdin was relieved from active duty at Memphis, Tennessee on account of ill health."