While you're right that it's not very common, I know at least 3 (non-famous) people who did that. BASE and skydiving are pretty separate communities and there a

While you're right that it's not very common, I know at least 3 (non-famous) people who did that. BASE and skydiving are pretty separate communities and there are a lot of people who make friends in base from cross over in things like climbing or snowboarding and don't do skydiving. Source: am a skydiver/base jumper