▁C ohen ▁( 4 ▁July ▁ 1 8 4 2   – ▁ 4 ▁April ▁ 1 9 1 8 ) ▁was ▁a ▁German ▁Jewish ▁phil os opher , ▁one ▁of ▁the ▁found ers ▁of ▁the ▁Mar burg ▁school ▁of ▁ne o - K ant ian ism , ▁and ▁he ▁is ▁often ▁held ▁to ▁be ▁" pro bably ▁the ▁most ▁important ▁Jewish ▁phil os opher ▁of ▁the ▁nin ete enth ▁century ". ▁ ▁Biography ▁C ohen ▁was ▁born ▁in ▁Cos wig , ▁An halt . ▁He ▁early ▁began ▁to ▁study ▁philosophy , ▁and ▁soon ▁became ▁known ▁as ▁a ▁prof ound ▁Kant ▁scholar . ▁He ▁was ▁educated ▁at ▁the ▁G ymnasium ▁at ▁D ess au , ▁at ▁the ▁Jewish ▁The ological ▁Sem inary ▁of ▁Bres lau , ▁and ▁at ▁the ▁univers ities ▁of ▁Bres lau , ▁Berlin , ▁and ▁Halle . ▁In ▁ 1 8 7 3 , ▁he ▁became ▁Priv at do zent ▁in ▁the ▁philosoph ical ▁fac ulty ▁of ▁the ▁University ▁of ▁Mar burg , ▁the ▁th esis ▁with ▁which ▁he ▁obtained ▁the ▁ven ia ▁legend i ▁being ▁Die ▁system at ischen ▁Begriffe ▁in ▁Kant ' s ▁v ork rit ischen ▁Sch riften ▁nach ▁ihrem ▁Ver hält n iss ▁zum ▁krit ischen ▁Ide al ismus . ▁C ohen ▁was ▁elected ▁Professor ▁extra ordin arius ▁at ▁Mar burg ▁in ▁ 1 8 7 5 , ▁and ▁Professor ▁ordin arius ▁in ▁the ▁following ▁year ▁( see : ▁" A cadem ic ▁ranks ▁in ▁Germany "). ▁ ▁He ▁was ▁one ▁of ▁the ▁found ers ▁of