Dick Dale had a name that more people remembered, than who he actually was. What they remember is his sound. Beyond that sound, Dale deserves to be remembered for the huge influence he had on the musicians, guitars and amplifier designs that followed into the glorious days of rock and electric guitar that dominated the music scene for decades after.
Here are some good articles, and terrific videos, that sum it much better than I could.
How Dick Dale Changed the Sound of Rock Guitar
The Father of Surf: 7 Essential Dick Dale Facts
Dick Dale, King of the Surf Guitar, Dead at 81
Guitar Player