Dr. Hawley Harvey Crippen aka H.H. Crippen was an American homeopath, ear and eye specialist and medicine dispenser who was convicted of murdering his wife, Cora Henrietta Crippen and executed by hanging on November 23, 1910 at the Pentonville Prison in London.
 
Prescription from Munyon's Homeopathic Home Remedy Company for cocaine dated September 28, 1909 and hand signed, H.H. Crippen.