Bill Lear
American businessman and inventor

William Powell Lear (June 26, 1902 – May 14, 1978) was an American inventor and businessman. He is best known for founding Learjet, a manufacturer of business jets. He also invented the battery eliminator for the B battery, and developed the car radio and the 8-track cartridge, an audio tape system. Throughout his career of 46 years, Lear received over 140 patents.
Career
Lear was born on June 26, 1902, in Hannibal, Missouri, to Rueben Marion Lear, a carpenter, and Gertrude Elizabeth Powell Lear. His mother left his father and he stayed with his aunt, Gussie Bornhouser, in Dubuque, Iowa. Later, Otto Kirmse took him in and raised him as his stepson. The family relocated to Chicago where Lear attended Kershaw Grammar School. On Sundays, he attended the Moody Tabernacle (now Moody Church). "From listening to Paul Rader, of the Moody Tabernacle, he learned grammar and how to speak.
This brief starts where responsible research should: with the source description of “Bill Lear” as american businessman and inventor. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the people & ideas register because the source frames it as american businessman and inventor. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 18, 2026. The linked authority identifier is Q325128. VIAF identifies the subject as 81558723. The Library of Congress control number is n50042561. 3 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1902 and 1978.
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This entry incorporates text from “Bill Lear” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.