Members of the Hipparcos science and project teams
Members of the Hipparcos science and project teams, with the spacecraft, 11 April 1988.
From left to right: Martin Huber (Head of Space Science Department, 1987-1999); Hamid Hassan (ESA Project Manager for Hipparcos, 1985-1989); Reimar Lüst (ESA Director General, 1984-1990); Catherine Turon (leader of the Input Catalogue Consortium, INCA); Michael Perryman (ESA Project Scientist for Hipparcos, 1981-1997); Pierre Lacroûte (space astrometry pioneer), Roger Bonnet (ESA Director of Science from 1983 to 2001), Erik Høg (leader of the NDAC (Northern Data Analysis) Consortium from 1982 to 1990 and the Tycho Consortium from 1983 to 1997); Marius Le Fèvre (Director of ESTEC at the time);Jean Kovalevsky (leader of the FAST (Fundamental Astronomy by Space Techniques) Consortium from 1982 to 1997); Ekhard Klassen. The Hipparcos satellite is visible in the background.