How about:
Richard Branson
Jonathon Ross!
Jim Carey and Arthur C Clark
:s

I love Bayard Rustin! Without him, Martin Luther King would probably have not become the leader he was! Bayard introduced King to the philosophy of nonviolence. He received his biggest instruction from his mother, who was a Quaker.

Here's a great video about Bayard Rustin:

www.pbs.org/pov/pov2002/brotheroutsider/

Al Gore

Other little known inventions of his:

The voting machine (his first patented invention)
Improved the stock ticker
Assisted Sholes in making the first working model of the typewriter.
The concept of multiplexing where several telegraph signals could travel down the same wire at the same time. We use that today in the telephone industry.
Wax paper
"The electric pen" printing device that led to the mimeograph which led to the copier which led to the laser printer
The "rheostat" better known to you as a volume control.
Improved the telephone through the invention of the carbon microphone "button" still used today in phones that use line power. Led to the invention of the microphone and the solid state diode.
Invented the "Telescribe" which combined the phonograph with the telephone. Led to voice mail and automated announcements.
Greatly improved power generation and distribution but was eventually overtaken by Westinghouse's AC power system.
First electric motor for 110 volt lines
First municipal street lighting system using underground lines
First light bulb factory
First magnetic iron ore separator
First electric railway
First power company
First wireless telegraphy
Invented a ship to shore wireless system
Invented the motion picture camera
Invented the Fluoroscope for medical diagnostics
Improved the X-Ray tube
Invented steel alkaline batteries
Formed the Portland Cement company, invented cast concrete one piece mold, improved cement making in general. Contracted to build Yankee Stadium
Invented a new dictation machine that allowed the operator to make corrections
Invented the AC/DC "universal" motor.
Invented "high fidelity" recording and the diamond stylus
Invented talking motion pictures
Improved telescribe that could record both sides of a phone conversation
Found ways of synthesizing many different chemicals needed by industry in World War I
Invented method to locate the position of guns by sound ranging (led to SONAR)
Method of detecting a torpedo launch
Invented underwater searchlights

Overall 1,368 individual patents. Still a world record for one individual.