AFAICT the highest ranking Union general to be killed in battle, 9 May 1864.
"They couldn't hit an elephant at this distance." Moments later a Confederate rifleman shot him in the head from a great distance, and he died. His chief of staff, Gen. Martin T. McMahon wrote a detailed account of Gen. Sedgwick's last moments.
Portrait follows:
http://lcweb2.loc.gov/service/pnp/cwpb/06300/06381r.jpg
"They couldn't hit an elephant at this distance." Moments later a Confederate rifleman shot him in the head from a great distance, and he died. His chief of staff, Gen. Martin T. McMahon wrote a detailed account of Gen. Sedgwick's last moments.
Portrait follows:
http://lcweb2.loc.gov/service/pnp/cwpb/06300/06381r.jpg