Question: Learjet was founded by which inventor and businessman?

Context paragraphs:
Cecil Elwood Pond: Cecil Elwood Pond (June 4, 1924 – December 30, 2011) was an American businessman, inventor, and entrepreneur.  He was the founder of Wheel Horse Products Co.  Inc and was the primary inventor of the modern American riding mower.

Thomas Bleiner: Thomas Bleiner (born December 30, 1969), is an Austrian racecar driver, an inventor and a businessman.  He is the inventor of the laser anticrash system “All Weather Light”, a safety device for poor visibility conditions.  In 2004 he was invited to the Global Road Safety, United Nations in New York, in order to promote safety in the automotive field.  Lately he is caring about renewable energy, especially about photovoltaic applications.

Bill Lear: William Powell "Bill" Lear (June 26, 1902 – May 14, 1978) was an American inventor and businessman.  He is best known for founding the Lear Jet Corporation, a manufacturer of business jets.  He also invented the battery eliminator for the B battery, and developed the 8-track cartridge, an audio tape system.  Throughout his career of 46 years, Lear received over 120 patents.

Bob Switzer: Robert C. Switzer, usually known as Bob Switzer, (19 May 1914 – 20 August 1997) was an American inventor, businessman and environmentalist.  Bob was co-inventor of the first black light fluorescent paint along with his brother Joseph Switzer and the inventor of the Magnaglo process for nondestructive flaw-detection in machined parts.  The brothers founded the Day-Glo Color Corp. in 1946 to develop and manufacture fluorescent paints, pigments and other products.

Charles Gates Jr.: Charles Cassius Gates Jr. (May 27, 1921 – August 28, 2005) was a businessman and philanthropist.  His father, Charles Gates Sr., bought Colorado Tire & Leather for $3,500 in 1911.  The company was renamed The Gates Rubber Company in 1919.  It became world's largest non-tire rubber manufacturer.  Charles Gates Jr. took over in 1961, upon the death of his father.  The Gates Corporation continued to grow, diversify, and acquire other companies, including Learjet.  By 1996, the privately held Gates Corporation employed over 14,000 people.  It was sold to London-based Tomkins plc that year for US$1.1 billion.

Paul Soros: Paul Soros (Hungarian: "Soros Pál" ; June 5, 1926 – June 15, 2013) was a Hungarian-born American mechanical engineer, inventor, businessman and philanthropist.  Soros founded Soros Associates, which designs and develops bulk handling and port facilities.  Soros Associates currently operates in ninety-one countries worldwide, as of 2013.  Paul Soros was the older brother of George Soros, a successful businessman and financier.

Learjet: Learjet is a Canadian owned, American manufacturer of business jets for civilian and military use based in Wichita, Kansas.  Founded in the late 1950s by William Powell Lear as Swiss American Aviation Corporation, it has been a subsidiary of Canadian Bombardier Aerospace since 1990, which markets it as the "Bombardier Learjet Family".

Omar Knedlik: Omar S. Knedlik (December 21, 1915 – March 14, 1989), was an American inventor and businessman.  He was best known as the inventor of the ICEE frozen drink.  He was born and raised a poor farm boy in Barnes, Kansas in 1916.  Knedlik was a World War II veteran who bought his first ice cream shop after the war.  He owned several hotels before moving to Coffeyville, Kansas, where he became the owner of a Dairy Queen in the late-1950s.  Knedlik did not have a soda fountain, so he served semi-frozen bottled soft drinks.  He found that they were immensely popular, so he worked with a Dallas company to develop the ICEE machine.  It took him five years to replicate the consistency in slushy soft drinks.  In the mid-1960s, the first ICEE machines were sold in the United States.

Lewis Miller (philanthropist): Lewis Miller (July 24, 1829 – February 17, 1899) was an Ohio businessman and philanthropist who made a fortune in the late 19th century as inventor of the first combine (harvester-reaper machine) with the blade mounted efficiently in front of the driver, to the side of the horse(s), rather than pulled behind.  His daughter Mina (1865–1947) married fellow Ohio inventor Thomas Alva Edison on Christmas Day 1886.

Theodore Miller Edison: Theodore Miller Edison (July 10, 1898 – November 24, 1992) was an American businessman, inventor, and environmentalist.  He was the fourth son and youngest child of inventor Thomas Edison, and founder of Calibron Industries, Inc..  He was the third child of Edison with his second wife, Mina Miller Edison.

Supporting paragraphs: Learjet Bill Lear
Answer: William Powell "Bill" Lear