Matthiessen

Matthiessen is a Danish-Norwegian patronymic surname meaning "son of Mathies". Several spelling variants are used, including Matthiesen, Mathiesen, Matthissen , Matthisen and Mathissen. A similar diversity of forms exist for the parallel given name Mathias.
There are several people with the surname Matthiessen:

Augustus Matthiessen, British physicist and chemist, notable for Matthiessen's rule
C. M. I. M. Matthiessen, Swedish linguist
Francis Otto Matthiessen, U.S. literary critic
Frederick William Matthiessen, Industrialist, philanthropist, and former Mayor of LaSalle, Illinois
Peter Matthiessen, American novelist