[msh]

Phil Zimmermann

He went to prison over pgp.

But then the mail service he was involved in (silent circle mail) shut down at the same time as lavabit.

[bb611]

He never spent time in prison, but he was investigated intensely by the US gov't.

[msh]

You seem to be correct. He never went to prison for pgp.

But apparently he thought up pgp while in prison for nuclear protests.