George A. Soper (1870 -- June 17, 1948) was a sanitation engineer. Year 1870 ( MDCCCLXX) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common Events 1462 - Vlad III the Impaler attempts to assassinate Mehmed II ( The Night Attack) forcing him to retreat Year 1948 ( MCMXLVIII) was a Leap year starting on Thursday (link will display the 1948 calendar of the Gregorian calendar. He was best known for discovering Mary Mallon, or Typhoid Mary, a carrier of Typhoid who had no symptoms.
He received a BS degree from Rensselaer Polytechnic Institute in 1895 and a PhD from Columbia University in 1899. Rensselaer Polytechnic Institute, or RPI, is a Nonsectarian private Research University located in Troy, New York Year 1895 ( MDCCCXCV) was a Common year starting on Tuesday (link will display full calendar of the Gregorian calendar (or a Common year Columbia University is a private University in the United States and a member of the Ivy League. Year 1899 ( MDCCCXCIX) was a Common year starting on Sunday (link will display the full calendar of the Gregorian calendar (or a Common He was the managing director of the American Society for the Control of Cancer, which later changed its name to the American Cancer Society, from 1923-1928. The American Cancer Society ( ACS) is the "nationwide community-based voluntary health organization dedicated to