 Complete the following phrase:  In 1930, Elbe went to Germany for sex reassignment surgery, which was highly experimental at the time. A series of four operations were carried out over a period of two years. The first surgery, removal of the testicles, was performed by Dr. Erwin Gohrbandt, under the supervision of sexologist Magnus Hirschfeld in Berlin. The rest of her surgeries were carried out by Kurt Warnekros, a doctor at the Dresden Municipal Womens Clinic. The clinic was later destroyed with its records in 