Person Preferred Name

Reuben Ottenberg

Reuben Ottenberg

Image

Signed portrait of Reuben Ottenberg, MD. Dr. Ottenberg was a hematologist known for his breakthrough research on blood transfusions. In 1907, he performed the first the blood transfusion using blood typing and crossmatching at Lenox Hill Hospital. Dr. Ottenberg also discovered that group O blood donors could serve as universal donors.