# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2019-01-02 06:21:53 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/1080348434295443456) RT @ai_valentin: This is where most of the research on trans and intersex people pre-1930 vanished. Germany was a world leader in the field…