This condition was first described in 1942 by Dr Harry Klinefelter Jnr (1912-90), a Baltimore endocrinologist who was working at the Massachusetts General Hospital with Fuller Albright. There are alternative earlier attributions to Richard Altmann in 1895 and Walther Berblinger in 1934. They all described a series of men who:
This is a companion discussion topic for the original article at https://patient.info/doctor/klinefelters-syndrome-pro