In 1982 she became chair of mathematics at Spelman which she held until 1993.

All saw the establishment or re-establishment of chairs of mathematics.

Later in life, he accepted an appointment to a chair of mathematics at the University of Vienna.

He took over the chair of mathematics in 1841 and also taught the natural sciences.

He held the chair of mathematics at the University of Utrecht until 1805.

In 1589, he was appointed to the chair of mathematics in Pisa.

He was offered the chair of mathematics and physics at Harvard in 1806, but turned it down.

In 1878 he obtained the chair of mathematics at Dartmouth and served until 1893.

A year later, he was appointed to the chair of mathematics at the naval asylum in Philadelphia, Pennsylvania.

He was chair of mathematics and then the first head of the Computer Science Department.