Miscellany
AACG and space flight
The American Association for Crystal Growth (AACG) has had two members in space, NASA scientist Roger Crouch in July 1997 (Roger brought the AACG banner and a packet of membership cards on the journey) and Lodewiijk van den Berg in April 1985 (the membership card for 1999 with the NASA space shuttle logo).
T. Gentile