Joan Feynman is the relative of Charles Hirshberg who made important contributions to the study of solar wind particles and filds, as well as sun-Earth relations; and magnetospheric physics.
Charles "Chuck" Hirshberg is an American journalist and sportswriter. 
 His mother is the astrophysicist Joan Feynman and his uncle was Nobel Prize-winning physicist Richard Feynman. 
 She has made important contributions to the study of solar wind particles and fields; sun-Earth relations; and magnetospheric physics. 
