Eugene N. Parker is S. Chandrasekhar Distinguished Service Professor Emeritus of Physics and Astronomy at the University of Chicago.
I shall strongly recommend my students to read this book in addition to their standard reading ... not only to clarify their understanding of cosmic magnetism but also to learn how to present their ideas in a clear and understandable way. -- Dimitri Sokoloff, Journal of Geophysical and Astrophysical Fluid Dynamics