EGS Hannes Alfvén Medallist - 1999
Gerhard Haerendel 

for his pioneering experimental and theoretical work in ionospheric, magnetospheric and astrophysical plasma physics
 
  Gerhard Haerendel, Director at the Max-Planck-Institut für Extraterrestrische Physik in Munich, receives the 1999 Hannes Alfvén Medal for his outstanding achievements in Solar-Terrestrial sciences. 

Haerendel became famous for his early barium cloud release experiments, and he is one of the fathers of the CLUSTER mission. His pioneering work opened a new view towards the understanding of plasma in space and its interaction with the solar wind.

Newsletter 67, 38, 1998