LEONARD F. BURLAGA Interplanetary Physics Branch, Laboratory for Extraterrestrial Physics, NASA Goddard Space Flight Center, Greenbelt, Maryland Dr. Burlaga was born on October 1, 1938 in Superior Wisconsin. He received a B. S. degree from the University of Chicago in 1960 and his Ph.D. from the University of Minnesota in 1966. He joined the Goddard Space Flight Center in 1968 and participated in plasma and magnetic field experiments. He has published over 250 articles on the structure and dynamics of the he-liosphere, the propagation of cosmic rays through the heliosphere, and the interaction of the solar wind with plan-ets and comets. He has received the NASA Exceptional Scientific Achievement Medal, The Lindsay Award, and The Goddard Space Flight Center Award of Merit. He has been a Goddard Senior Fellow and is a Fellow of the American Geophysical Union. Dr. Burlaga has participated actively in spacecraft experiments as a Co-Investigator on the magnetometer investiga-tions on Helios 1 and 2, Voyager 1 and 2, Giotto, WIND and ACE and as a Co-Investigator on the plasma science investigations on Explorer 34, Voyager 1-2, and WIND. He served as the Project Study Scientist for WIND from its inception to the approval of ISTP. He has been a member of the Cosmic and Heliospheric Physics Management Operations Working Group and numerous NASA Advisory Groups. He served the science community as the President of the Commission on the Interplanetary Plasma and the Heliosphere of the International Astronomical Union, the Secretary of the Cosmic Ray Section of the AGU, and the Chairman of the Solar Wind and Interplanetary Magnetic Field Division of IAGA.