Under the rule of nazi germany from 1933 to 1945, gay men and (to a lesser extent) lesbians were persecuted with thousands of gay men imprisoned in nazi concentration camps. Beginning in 1933, gay organizations were banned, scholarly books about homosexuality, and human sexuality in general (such as those from the institut für sexualwissenschaft, run by jewish gay rights campaigner magnus.). The pink swastika homosexuality in the nazi party is a 1995 book by scott lively and kevin abrams. Drawing on samuel igras 1945 book germanys national vice, lively and abrams argue that the crimes committed by homosexuals in the nazi party exceed the persecution of homosexuals in nazi germany and that homosexuality contributed to the extreme militarism of nazi germany. A danish nazi, ss dr carl vrnet, conducted medical experiments on gay concentration camp prisoners. Unlike most other nazi doctors, he was never put on trial at nuremburg. Ernst julius günther röhm (german nst m 28 november 1887 ) was a german military officer and an early member of the nazi party. As one of the members of its predecessor, the german workers party, he was a close friend and early ally of adolf hitler and a co-founder of the sturmabteilung (sa, storm battalion), the nazi partys militia, and later was its. The waffen-ss (german vafnss, armed ss) was the military branch of the nazi partys ss organisation. Its formations included men from nazi germany, along with volunteers and conscripts from both occupied and unoccupied lands. The waffen-ss grew from three regiments to over 38 divisions during world war ii, and served alongside the heer (regular army), ordnungspolizei. Schutzstaffel ss flag himmler inspects a prisoner of war camp in the soviet union, 1941 men of the leibstandarte ss adolf hitler receive awards ss headquarters in berlin majdanek concentration camp, 1944 women and children captured during the warsaw ghetto uprising by sd men, 1943 adolf hitler inspects the leibstandarte ss adolf hitler, 1938 agency overview formed preceding.