Who is the oldest player to win a tennis grand slam title?

In men, Andre Agassi was 33 when he won the 2003 Australian Open in singles.

In women, Martina Navratilova was 33 when she won the 1990 Wimbledon in singles.

Men:

Historical: Aurther Gore, Age 41 Wimbledon 1909.

Modern Era: Andres Gimeno Age 34 French Open 74.

Women:

Martina Navratilova, Doubles, age 46