The Heinlein Prize is a $500,000 prize whose purpose is to reward the person or persons who achieve practical accomplishments in the field of commercial space activities. This is a significant sum of money and this author’s prior article on the subject (see “Choosing candidates for the Heinlein Prize”, The Space Review, February 6, 2006) appears to have attracted a fair amount of attention, judging from mail and calls received. It appears useful to discuss the Heinlein Prize in context to other similar prizes such as the Nobel, Lemelson, and Draper Prizes. The hope is that any individuals who are...