The Berthold Seliger Forschungs- und Entwicklungsgesellschaft mbH (BSFEGmbH) was a company founded by German rocket technical designer Berthold Seliger in 1961. The first rocket developed by the BSFEGmbH was an improved version of the Kumulus, which was first launched on November 19, 1962 and reached a height of 50 kilometres. On February 7, 1963, the BSFEGmbH launched a two-stage rocket with a maximum height of 80 kilometres, and on May 2, 1963, they launched a three-stage rocket with a maximum flight height of more than 100 kilometres. The latter rocket may have attained the highest flight altitude of all rockets built in post-war Germany. Read more