Apr. 10, 1882 Manhattan New York County (Manhattan) New York, USA
Nov. 10, 1979 Weymouth Norfolk County Massachusetts, USA
John was the 2nd of seven children born to Mathilde Bender and Friederich Wilhelm Pflaumer. He married Eudora Taylor from England on 27 Nov 1907 in Cambridge. He was a baker who specialized in knowledge about yeasts, and sometimes traveled and did consulting work. They raised 4 children.