li ker , ▁Rudolf ▁Vir ch ow , ▁Heinrich ▁Müller ▁and ▁Franz ▁Le yd ig ▁( 1 8 2 1 – 1 9 0 8 ). ▁ ▁Karl ▁Gegen ba ur ▁had ▁a ▁strong ▁influence ▁on ▁his ▁environment , ▁with ▁his ▁colle agues ▁Matth ias ▁Jakob ▁Sch le iden , ▁Emil ▁H usch ke , ▁Ernst ▁H ae ck el , ▁and ▁Hermann ▁K la at sch ▁( 1 8 6 3 – 1 9 1 6 ). ▁Karl ▁Gegen ba ur ▁also ▁influenced ▁his ▁students , ▁including : ▁Max ▁Für br inger , ▁Richard ▁H ert wig , ▁O sk ar ▁H ert wig , ▁Emil ▁Ros enberg , ▁Am bro si us ▁H ubre cht , ▁Johan ▁Erik ▁V esti ▁Bo as ▁( 1 8 5 5 – 1 9 3 5 ), ▁Hans ▁Friedrich ▁G adow , ▁Georg ▁R uge ▁M . ▁S ag eme hl , ▁N . ▁Gor on ow itsch , ▁H . ▁K . ▁Cor ning , ▁C . ▁Rö se ▁and ▁S . ▁Paul li . ▁ ▁Gegen ba ur ' s ▁research ▁program ▁of ▁compar ative ▁morph ology ▁incorpor ating ▁ont ogen y ▁and ▁ph y log eny ▁is ▁still ▁evident ▁in ▁the ▁bur geon ing ▁field ▁of ▁evolution ary ▁development al ▁bi ology ▁( e vo - de vo ). ▁ ▁Other ▁publications ▁Other ▁publications ▁by ▁Karl ▁Gegen ba ur ▁include ▁a ▁Text - book ▁of ▁Human ▁An atom y ▁( Le ip zig , ▁ 1 8 8 3 , ▁new ▁ed