The legal drama series Perry Mason was originally broadcast on
CBS television from September 21, 1957, to May 22, 1966. The
title character, portrayed by Raymond Burr (1917 – 1993) is a
Los Angeles criminal defense lawyer who originally appeared
in detective fiction by Erle Stanley Gardner. Many episodes are
based on stories written by Gardner. 

Perry Mason was one of Hollywood’s first weekly one-hour series
filmed for television, and remains one of the longest-running and
most successful legal-themed television series.

The show has been a staple in syndication, running for many
years on local television stations and cable networks across
the United States.
From Wikipedia, the free encyclopedia

Erle Stanley Gardner (1889 – 1970)