# David Hilbert > A German mathematician born in Wehlau, near Koenigsberg, Prussia (now Znamensk, near Kaliningrad, Russia) who is recognized as one of the most influential mathematicians of the 19th and early 20th centuries. A German mathematician born in Wehlau, near Koenigsberg, Prussia (now Znamensk, near Kaliningrad, Russia) who is recognized as one of the most influential mathematicians of the [19th](https://wiki.g15e.com/pages/19th%20century.txt) and early [20th centuries](https://wiki.g15e.com/pages/20th%20century.txt).