" ▁as ▁contrib uting ▁to ▁human ▁evolution , ▁ground ing ▁both ▁in ▁the ▁inn ate ▁capacity ▁for ▁acqu iring ▁language . ▁ ▁Dar win ' s ▁ideas , ▁along ▁with ▁those ▁of ▁such ▁as ▁Com te ▁and ▁Qu ete let , ▁influenced ▁a ▁number ▁of ▁what ▁would ▁now ▁be ▁called ▁social ▁scient ists ▁in ▁the ▁late ▁nin ete enth ▁and ▁early ▁tw enti eth ▁centuries . ▁H od g son ▁and ▁Kn ud sen ▁single ▁out ▁David ▁George ▁R itch ie ▁and ▁Thor stein ▁V eb len , ▁cred iting ▁the ▁former ▁with ▁anticip ating ▁both ▁dual ▁inheritance ▁theory ▁and ▁universal ▁Dar win ism . ▁Despite ▁the ▁s tere ot yp ical ▁image ▁of ▁social ▁Dar win ism ▁that ▁developed ▁later ▁in ▁the ▁century , ▁neither ▁R itch ie ▁nor ▁V eb len ▁were ▁on ▁the ▁political ▁right . ▁ ▁The ▁early ▁years ▁of ▁the ▁ 2 0 th ▁century ▁and ▁particularly ▁the ▁First ▁World ▁War ▁saw ▁bi ological ▁concepts ▁and ▁met aph ors ▁sh unn ed ▁by ▁most ▁social ▁sciences . ▁Even ▁utter ing ▁the ▁word ▁evolution ▁carried ▁" ser ious ▁risk ▁to ▁one ' s ▁intellectual ▁reputation ." ▁Dar win ian ▁ideas ▁were ▁also ▁in ▁decl ine ▁following ▁the ▁redis cover y ▁of ▁M end elian ▁gen et ics ▁but ▁were ▁rev ived , ▁especially ▁by ▁Fish er , ▁H ald ane ▁and ▁Wright , ▁who ▁developed ▁the ▁first ▁population ▁gen etic ▁models ▁and ▁as ▁it ▁became ▁known ▁the ▁modern ▁synth esis . ▁ ▁Cultural ▁evolution ary ▁concepts , ▁or ▁even