Hannes Olof Gösta Alfvén   1908—1995   Swedish astrophysicist electical power engineer   Taught at universities in Sweden moved to America 1967   Taught electrical engineering at U of C San Diego and USC   Also explored astrophysics   Regarded as unorthodox forced to publish in obscure journals   Awarded Nobel Prize in physics in 1970 for his work with magnetohydrodynamics   Theory of magnetic storms and auroras   Theory of plasma dynamics   His work contributed to particle-beam accelerators, controlled thermonuclear fusion, hypersonic flight, reentry braking of space vehicles, rocket propulsion   Alfvén waves (low-frequency magnetic plasma oscillations) named for him   Proposed alternative to Big Bang theory called plasma cosmology

MEMORY TRIGGERS   Swedish________________________________   _______________________________________   Astrophysicist____________________________   _______________________________________   Electrical engineering_____________________   _______________________________________   America________________________________   _______________________________________   Unorthodox_____________________________   ______________________________________   Nobel Prize____________________________   _____________________________________     Magnetic storms________________________   _____________________________________   Hypersonic flight______________________   ____________________________________   Reentry______________________________   ____________________________________   Alfvén waves_________________________   ____________________________________   Big Bang____________________________   ____________________________________   Plasma cosmology_____________________   ____________________________________