▁years ▁on ▁estim ating ▁gen etic ▁effects ▁that ▁influence ▁quant itative ▁tra its , ▁and ▁he ▁developed ▁what ▁became ▁known ▁as ▁the ▁" second ary ▁theorem ▁of ▁natural ▁selection ." ▁He ▁held ▁the ▁post ▁of ▁Deput y ▁chief ▁scientific ▁officer of ▁his ▁Unit , ▁and ▁kept ▁away ▁from ▁administrative ▁duties . ▁Hill ▁re called ▁that ▁Robert son ▁" rem ained ▁inform al , ▁approach able , ▁and ▁' Al an ' ▁to ▁all . ▁His ▁influence ▁was ▁through ▁his ▁papers , ▁as ▁a ▁scientific ▁ref eree , ▁by ▁personal ▁contact ▁( part icular ly ▁in ▁his ▁famous ▁morning ▁coffee ▁group ), ▁as ▁a ▁conference ▁speaker ▁and ▁organ izer , ▁and ▁as ▁an ▁example ▁of ▁efficient ▁( if ▁not ▁organized ) ▁hard ▁work ." ▁His ▁doctor al ▁students ▁included ▁William ▁G . ▁Hill , ▁Tr ud y ▁Mack ay ▁and ▁Paul ▁M . ▁Sh arp . ▁ ▁Awards ▁and ▁hon ours ▁Robert son ▁was ▁elected ▁a ▁Fellow ▁of ▁the ▁Royal ▁Society ▁( F RS ) ▁in ▁ 1 9 6 4 . ▁Two ▁years ▁later ▁he ▁was ▁elected ▁a ▁Fellow ▁of ▁the ▁Royal ▁Society ▁of ▁Edinburgh ▁( FR SE ). ▁He ▁was ▁appointed ▁Honor ary ▁Professor ▁of ▁Edinburgh ▁University ▁( 1 9 6 7 ), ▁and ▁received ▁honor ary ▁degrees ▁and ▁members hips ▁of ▁the ▁United ▁States ▁National ▁Academy ▁of ▁Sciences ▁( 1 9 7 9 ), ▁the ▁University ▁of ▁H ohen heim ▁( 1 9 6 8 ), ▁the ▁Agricult ural ▁University ▁of ▁Norway ▁( 1 9 8 4 ), ▁the ▁Dan ish