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