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Photo of Leonard Susskind

Photo: Jonathan Maltz / CC BY-SA 4.0 (source: Wikimedia Commons)

Leonard Susskind

レオナルド・サスキンド / れおなるど・さすきんど

American physicist

January 1, 1940 (age 86) ・ New York City, New York, United States

  • New York
  • physicist
  • non-fiction writer
  • university teacher

My Take

Leonard Susskind is, to me, one of the great minds of modern physics and also one of its finest teachers. A New Yorker who helped found string theory, he famously challenged Hawking over the black hole information paradox and helped change how we think about reality itself. The Sakurai Prize and Dirac Medal confirm his stature, but what I value just as much is The Theoretical Minimum, his effort to hand serious physics to curious outsiders. He refuses to dumb ideas down while still making them reachable. That blend of frontier research and generous teaching earns my deep respect.

1. Profile

Name (English)
Leonard Susskind
Name (Japanese)
レオナルド・サスキンド
Reading
れおなるど・さすきんど
Born
January 1, 1940 (age 86)
Zodiac / Chinese zodiac
Capricorn / Dragon
Origin
New York City, New York, United States
Blood type
Private
Height
Private
Agency
Private
Occupation
physicist / non-fiction writer / university teacher / scientist / string theorist

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
City College of New York

Awards & achievements

  • 1998 Sakurai Prize
  • 2008 Pomeranchuk Prize
  • Science Writing Award
  • 2023 ICTP Dirac Medal
  • Messenger Lectures

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

5. Works & records

CategoryTitleRoleYear
Notable workThe Theoretical Minimum
Notable workstring theory

Frequently asked questions

When was Leonard Susskind born?

Born January 1, 1940 (age 86).

Where is Leonard Susskind from?

Leonard Susskind is from New York City, New York, United States.

What does Leonard Susskind do?

Leonard Susskind works as physicist, non-fiction writer, university teacher, scientist, string theorist.

What is Leonard Susskind known for?

Notable works include The Theoretical Minimum, string theory.

Physicist — see all → · Non-fiction writer — see all → · More people from United States →

7. About this entry

Tags

  • New York
  • physicist
  • non-fiction writer
  • university teacher
Last updated
2026-06-21

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.