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Irwin M. Jacobs
Dananderson at English Wikipedia, Public domain, via Wikimedia Commons

entrepreneurfounder

Irwin M. Jacobs

Entrepreneur · Qualcomm · born October 18, 1933

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About

Irwin Mark Jacobs is an American electrical engineer and businessman. He is a co-founder and former chairman of Qualcomm, and chair of the board of trustees of the Salk Institute for Biological Studies. As of 2019, Jacobs had an estimated net worth of $1.2 billion.

Adapted from Wikipedia (CC BY-SA 4.0).

Milestones, by age

Dated facts from Wikidata; ages marked “about” come from year-only dates.

  1. 51Founded QualcommJuly 1, 1985
  2. ~61Received the National Medal of Technology and Innovation1994
  3. ~80Received the IEEE Medal of Honor2013

Sources

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Sources (2)

Also born on October 18

Irwin's most notable birthday twins

Jim Ratcliffe
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Jim Ratcliffe

Entrepreneur · Ineos · energy

1952 · United Kingdom

$12.1Bolder estimate, as of 2019 · Forbes

Sir James Arthur Ratcliffe is a British billionaire, chemical engineer, and businessman. Ratcliffe is the chairman and chief executive officer (CEO) of the INEOS chemicals group, which he founded in 1998.

Staff photographer, CC BY-SA 3.0, via Wikimedia Commons

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Sources (3)
Chung Eui-sun
billionaire

Chung Eui-sun

Entrepreneur · Hyundai Motor Company · automotive

1970 · South Korea

$5.8Breported estimate as of August 2026 · Forbes

Chung Eui-sun, anglicized as Euisun Chung, is a South Korean billionaire business executive. He is the executive chairman and CEO of Hyundai Motor Group and the only son and "heir apparent" of Hyundai Motor Group honorary chairman Chung Mong-koo.

The White House, Public domain, via Wikimedia Commons

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Zac Efron
actor

Zac Efron

Actor

1987 · United States

Zachary David Alexander Efron is an American actor. Efron began acting professionally in the early 2000s and rose to prominence as a teen idol for his leading role as Troy Bolton in the High School Musical film series (2006–2008).

Eva Rinaldi from Sydney Australia, CC BY-SA 2.0, via Wikimedia Commons

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Jean-Claude Van Damme
actor

Jean-Claude Van Damme

Actor

1960 · Belgium

Jean-Claude Camille François Van Varenberg, known professionally as Jean-Claude Van Damme, is a Belgian martial artist and actor.

Georges Biard, CC BY-SA 3.0, via Wikimedia Commons

Sources (2)
Milo Yiannopoulos
author

Milo Yiannopoulos

Author

1984 · United Kingdom

Milo Yiannopoulos is a British far-right conspiratorial political commentator, known for his opposition to Islam, feminism, and social justice. He is a former editor of Breitbart News, an American far-right news and opinion website.

NEXTConf from Berlin, Deutschland, CC BY 2.0, via Wikimedia Commons

Sources (2)