His work in this area would influence Ernst Mayr, who was also an assistant at the museum from 1927–1930, and would contribute to the development of the modern evolutionary synthesis.
Bu alandaki çalışması 1927 - 1930 yıllarında Berlin Müzesi’nde asistan olan Ernst Mayr’ı da etkiledi ve ‘Evrimin Çağdaş Sentezi’nin gelişimine katkıda bulundu.