 He became fluent in five languages, learned Sanskrit and became expert in that language and worked as a translator.He became good friends with Swedish forensic scientist Erik Karlmark who hired him as his assistant during the work on his thesis.Around the end of the 50s and beginning of the 60s, Karlmark, who was one of many to believe that Thurneman was no longer a dangerous man, tried to get him released, but the media coverage and the public outcry made it impossible.