Who was on it the second time? I know who I think it was but can't figure out spoliers.

You mean the doctors library card? The first doctor.

It looked like Albert Einstein to me

Cheers - thought that, then thought it was Peter Cushing (Van Helsing).

William Hartnell who played the first Doctor.

that wasn't psychic paper, Rory had that, it was The Doctors old library card with a picture of The First Doctor on!

Should've gone to Specsavers...