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Medicine & Public Health

Louis J. Ignarro

b. 1941Long Beach, NYItalian American descendantLiving
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Why Included

Nobel laureate whose discovery that nitric oxide is a signaling molecule changed cardiovascular medicine and enabled treatments including Viagra.

Notable For

  • Nobel Prize in Physiology or Medicine 1998
  • Discovered nitric oxide as a biological signaling molecule

Honors & Recognition

  • Nobel Prize in Physiology or Medicine 1998

Sources

Last reviewed: 2026-05-07

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Quick Facts

Field
Medicine & Public Health
Years
b. 1941
Birth Place
Long Beach, NY
Origin
Italian American descendant
Ancestry Verification
Confirmed

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