Arnold Lang ( 18 June 1855 -- 30 November 1914 ) was a comparative naturalist , a Swiss anatomist and student of German biologist Ernst Haeckel . Arnold Lang ( June 18 , 1855 - November 30 , 1914 ) was a comparative naturalist , Swiss anatomist and student of Ernst Haeckel , German biologist .
Arnold Lang (18 Jun 1855-30 November 1914) adalah seorang ahli alamiah perbandingan, seorang ahli anatomi Switzerland dan pelajar ahli biologi Jerman Ernst Haeckel. Arnold Lang (18 Jun 1855 - 30 November 1914) adalah seorang ahli alamiah perbandingan, ahli anatomi Switzerland dan pelajar Ernst Haeckel, ahli biologi Jerman.