Hannes Alfvén, full name Hannes Olof Gösta Alfvén, (1908-1995) was a Swedish astrophysicist. Father of Plasma cosmology. He was best known for his work in plasma physics, although he did notable work with solar phenomenon and aurorae as well. He was awarded the Nobel Prize in Physics in 1970 for his work with magnetohydrodynamics (MHD). Alfvén waves[?] (low frequency hydromagnetic plasma oscillations) are named in his honor.
... the age of 18, 9.4% from 18 to 24, 34.6% from 25 to 44, 19.4% from 45 to 64, and 10.6% who are 65 years of age or older. The median age is 34 years. For every 100 ...