He had some outstanding teachers at Göttingen, where his lecturers included Schönflies, Hilbert and Klein, and it was in this outstanding mathematical environment that Blumenthal undertook research.
Niya ang ilang mga natitirang mga guro sa Gottingen, na kung saan ang kanyang lecturers kasama Schönflies, Hilbert at Klein, at ito ay sa natitirang matematiko na kapaligiran na Blumenthal undertook research.