bach ▁Hotel ▁and ▁nearby ▁Phill ips ▁House ▁hotel . ▁The ▁convention ▁committee ▁was ▁cha ired ▁by ▁Ken ▁K eller , ▁who ▁had ▁also ▁cha ired ▁the ▁" K C ▁in ▁' 7 6 " ▁bid . ▁There ▁were ▁ 4 2 0 0 ▁registered ▁members ▁of ▁the ▁convention , ▁of ▁which ▁ 3 0 1 4 ▁actually ▁attended . ▁ ▁Gu ests ▁of ▁honor ▁ ▁The ▁professional ▁Gu est ▁of ▁Honor ▁at ▁the ▁ 3 4 th ▁World con ▁was ▁former ▁Kansas ▁Cit ian ▁Robert ▁A . ▁Hein lein . ▁ ▁He ▁did ▁not ▁prepare ▁a ▁formal ▁guest ▁of ▁honor ▁speech , ▁as ▁such , ▁but ▁gave ▁a ▁generally ▁well ▁received ▁one , ▁immediately ▁following ▁the ▁convention ' s ▁Hugo ▁Awards ▁ceremony ▁at ▁the ▁nearby ▁Art ▁Dec o - in sp ired ▁Music ▁Hall ▁section ▁of ▁the ▁Kansas ▁City ▁Municipal ▁Aud itor ium . ▁Hein lein ▁came ▁with ▁an ▁alarm ▁clock ▁and ▁put ▁it ▁on ▁his ▁center ▁stage ▁pod ium ▁and ▁spoke ▁cas ually ▁until ▁his ▁own ▁pres et ▁time ▁period ▁ended ▁with ▁the ▁alarm ▁going ▁off . ▁Hein lein ▁was ▁previously ▁the ▁Gu est ▁of ▁Honor ▁at ▁the ▁ 3 rd ▁World con ▁( 1 9 4 1 ) ▁and ▁the ▁ 1 9 th ▁World con ▁( 1 9 6 1 ). ▁He ▁remains ▁the ▁only ▁science ▁fiction ▁writer ▁hon ored ▁three ▁times ▁by ▁the ▁annual ▁World ▁Science ▁F iction ▁Convention . ▁Hein lein ▁attended ▁many ▁Mid Amer i Con ▁events , ▁including ▁a ▁blood ▁don ation ▁drive ▁and ▁later ▁don