Tuesday's announcement by Jeff Bezos, founder of Amazon.com Inc., that his private aerospace company, Blue Origin, will be launching from Cape Canaveral drew comparisons with the space-travel oriented plans of fellow billionaires Elon Musk, who runs Space Exploration Technologies Corp., or SpaceX, in Hawthorne, and Britain's Richard Branson, who co-founded Virgin Galactic.
Here's a look at the three entrepreneurs.
Net worth*:
Bezos: $46.6 billion
Branson: $5 billion
Musk: $13.4 billion
Age:
Bezos: 51
Branson: 65
Musk: 44
Family:
Bezos: Married with four children
Branson: Married twice with two children
Musk: Married twice with five children
Biography:
Bezos: "The Everything Store: Jeff Bezos and the Age of Amazon" by Brad Stone (384 pages)
Branson: "Branson" by Tom Bower (416 pages)
Musk: "Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future" by Ashlee Vance (400 pages)
Main businesses:
Bezos: chief executive of Amazon.