 Which of these do Ron and Ledman have in common?
THE HUNTED HEROES By ROBERT SILVERBERG No, we had decided together to come to Mars—the way we decided together on everything. He wore an outmoded, bulky spacesuit and a fishbowl helmet, all but the face area opaque. And that started the chain of events that led Val and me to end up as a madman's prisoners, on Mars. Project Sea-Dredge was trying to get uranium from the oceans. It's a stopgap effort, just to keep things moving until Project Sea-Dredge starts functioning. For a puzzled moment I thought it was our Dome, the settlement where all of UranCo's Geig Corps were located, but another look told me that this was actually quite near us and fairly small. A one-man Dome, of all things!
 There were both injured in the same accident
 They have both been wrong by the companies that they worked for  They both want to find an alternative to uranium  There were both injured in the same accident  They are both obsessed with finding uranium