A 1968 “teach-in” at Earlsfort Terrace. Two of the Students for Democratic Action’s founders are in the photograph: Ruairí Quinn (with hand on head) and Una Claffey  (wearing  a beret). Photograph: Copyright Bill Hastings

Whenever I walk or drive past that tall building in Ballsbridge, I see him staring right at me. This is despite the fact that he exists only in my ima(...)