Edward H. Rulloff

John Edward H. Rulloff (also known as Ruloff, Rulofson, or Rulloffson, as well as several aliases; 1819/1820 – May 18, 1871) was a Canadian-born American doctor, lawyer, schoolmaster, photographer, inventor, carpet designer, phrenologist, and philologist, in addition to a career criminal and serial killer. This dichotomy was exemplified in the title of his 1871 biography, The Man of Two Lives. He was also known as "The Genius Killer".

Edward H. Rulloff

John Edward H. Rulloff (also known as Ruloff, Rulofson, or Rulloffson, as well as several aliases; 1819/1820 – May 18, 1871) was a Canadian-born American doctor, lawyer, schoolmaster, photographer, inventor, carpet designer, phrenologist, and philologist, in addition to a career criminal and serial killer. This dichotomy was exemplified in the title of his 1871 biography, The Man of Two Lives. He was also known as "The Genius Killer".