Dr. Jacob Teschner, M.D.

Family geneology: Descendants of Joseph Teschner by Robert Hanscom (238 pages). The family history of Abraham Teschner & Rosa Popper (married c.1846) and their children, is at pages 9-13.
On p. 13: 'Dr. Jacob Teschner, born 07 Aug 1858 in Manhattan, New York; died 23 Oct 1927 in New York, NY'. (Media doc) https://www.yumpu.com/en/document/view/6124466/descendants-of-josep...

Profession: Jewish Physicians: A Biographical Index - Jacob Teschner; Prof. of orthopedic surgery at the West Side School of Clinical Medicine (1899) https://books.google.co.uk/books?id=yqXuA930hrgC&pg=PA256&lpg=PA256...

Obituary: Columbia University/NY Times - Dr. Jacob Teschner; died 23 Oct 1927, age 69.
https://www.library-archives.cumc.columbia.edu/obit/jacob-teschner

Dr. Jacob Teschner of New York graduated from Columbia U. in 1880 and became a prominent physician. His family lived in a stately house in Manhattan. His specialties were orthopaedics and cardiology.