After 15 months, in 1946, he accepted an associate professorship at Harvard.

In 1892 he accepted a professorship at Halle, where he later died.

In 1987 he accepted a professorship at Columbia University, where he has remained as a professor ever since.

In March 2013 he accepted a professorship at Yale University.

In 1946 he accepted a professorship at the University of Freiburg.

In 1883, he accepted a similar professorship at Bordeaux.

And what I am going to do is accept a professorship.

Aaron has accepted a professorship on Aotearoa now, which is where his daughter and her husband are.

He accepted a professorship in chemical engineering at Columbia in 1948.

In 1927, he returned to Vienna to accept a professorship there.