Douglas Harper's Etymology Dictionary
Tay-Sachs
fatal inherited disorder, 1907, named in German (1901) by German neurologist Henryk Higier (1866-1942) from names of British ophthalmologist Warren Tay (1843-1927) and U.S. physician and neurologist Warren Sachs (1858-1944) who had independently described it in 1881 and 1887 respectively.