period, we interviewed two former presidents of kent state university, michael schwartz and carol cartwright. also interviewed several citizens of the kent community whose voices really had not been heard, they had really not been interviewed that much either. and a member of black united students who eventually became president of b.u.s. after may 4, i think around 1971 and also two members of the ohio national guard as well. we also wanted to have a wider time frame, and by what i mean by that is this. a lot of times when people look at may 4 they focus specifically on may 4 or just the four days i gave you. we wanted to kind of broaden the perspective a bit and look at some of the precursors, i didn't actually put it on here. but two of the big precursors were the b.u.s. walkout in 1968 on the kent campus and the sds takeover music and speech in 1969. we actively sought and got a couple of interviews that talked about those events. as far as the aftermath, we also wanted to look for narrators who could discuss some of these issues mentioned here. legal cases like the kent 25 which greg wi