Writing & Editing Who’s your communications hero? Astronomer Jack Horkheimer’s informative and engaging prose inspires this corporate communicator. By Denise C. BaronSept. 8, 2010 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.