Karl M. Baer

Karl M. Baer (20 May 1885 – 26 June 1956) was a German-Israeli author, social worker, reformer, suffragist and Zionist. He came out as a trans man in 1904. In December 1906, he became the first transgender person to undergo sex reassignment surgery, and one of the first transgender people to gain full legal recognition of his gender identity by having a male birth certificate issued in January 1907.

Karl M. Baer

Karl M. Baer (20 May 1885 – 26 June 1956) was a German-Israeli author, social worker, reformer, suffragist and Zionist. He came out as a trans man in 1904. In December 1906, he became the first transgender person to undergo sex reassignment surgery, and one of the first transgender people to gain full legal recognition of his gender identity by having a male birth certificate issued in January 1907.