# Ernest Lawrence

> American nuclear physicist (1901–1958)

**Wikidata**: [Q169577](https://www.wikidata.org/wiki/Q169577)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ernest_Lawrence)  
**Source**: https://4ort.xyz/entity/ernest-lawrence

## Summary
Ernest Lawrence was an American nuclear physicist (1901–1958) who pioneered the cyclotron, a device that revolutionized nuclear research by accelerating particles for experiments. His work laid the foundation for modern particle accelerators and earned him the Nobel Prize in Physics in 1939.

## Biography
- Born: August 8, 1901, in Canton, South Dakota, United States
- Nationality: United States
- Education:
  - Bachelor’s degree in physics from South Dakota State University (1922)
  - Master’s degree in physics from Yale University (1923)
  - Doctorate in physics from Yale University (1925)
- Known for: Invention of the cyclotron, a critical tool in nuclear physics
- Employer(s):
  - University of California, Berkeley (1928–1958)
  - Lawrence Berkeley National Laboratory (founded by him in 1931)
- Field(s): Nuclear physics, particle accelerators

## Contributions
- **Cyclotron (1931)**: Designed and built the first cyclotron at the University of California, Berkeley, which accelerated protons and other particles for nuclear research. This device became the standard for particle acceleration in physics laboratories worldwide.
- **Nobel Prize in Physics (1939)**: Awarded for his invention of the cyclotron, which enabled groundbreaking discoveries in nuclear physics.
- **Lawrence Berkeley National Laboratory (1931)**: Founded the lab to advance nuclear research, which later became a leading institution in physics and energy science.
- **Advancements in Nuclear Research**: His work accelerated the study of atomic nuclei, leading to key breakthroughs in understanding nuclear forces and isotopes.
- **Mentorship and Education**: Taught at the University of California, Berkeley, and trained generations of physicists, shaping the field of nuclear science.

## FAQs
**What was Ernest Lawrence’s most significant invention?**
Lawrence invented the cyclotron, a particle accelerator that revolutionized nuclear physics by enabling the acceleration of protons and other particles for experimental research.

**Where did Ernest Lawrence work?**
He worked at the University of California, Berkeley, where he founded the Lawrence Berkeley National Laboratory in 1931, which became a leading center for nuclear and energy research.

**What award did Ernest Lawrence receive?**
He was awarded the Nobel Prize in Physics in 1939 for his invention of the cyclotron.

**What was the cyclotron used for?**
The cyclotron was used to accelerate particles for nuclear research, leading to discoveries about atomic nuclei and the development of nuclear energy.

**How did Ernest Lawrence influence nuclear physics?**
His invention of the cyclotron made it possible to study atomic nuclei in detail, accelerating advancements in nuclear science and technology.

## Why They Matter
Ernest Lawrence’s invention of the cyclotron transformed nuclear physics, making it possible to study atomic nuclei with unprecedented precision. His work laid the groundwork for modern particle accelerators, which are essential tools in nuclear research, medical imaging, and materials science. The Lawrence Berkeley National Laboratory, founded by him, became a global leader in scientific innovation. Lawrence’s contributions not only advanced nuclear science but also inspired generations of physicists, ensuring his legacy as a pioneer in the field.

## Notable For
- Inventor of the cyclotron, a foundational tool in nuclear physics
- Nobel Prize in Physics (1939) for his cyclotron invention
- Founder of the Lawrence Berkeley National Laboratory (1931)
- Pioneer in particle acceleration technology
- Mentor to many leading physicists of his time

## Body
### Early Life and Education
Ernest Orlando Lawrence was born on August 8, 1901, in Canton, South Dakota. He developed an early interest in physics and earned his bachelor’s degree in physics from South Dakota State University in 1922. He then pursued advanced studies at Yale University, where he obtained his master’s degree in 1923 and his doctorate in 1925. His academic achievements laid the groundwork for his groundbreaking work in nuclear physics.

### Invention of the Cyclotron
In 1931, Lawrence designed and built the first cyclotron at the University of California, Berkeley. This device used magnetic and electric fields to accelerate charged particles, such as protons, to high energies. The cyclotron became a critical tool for nuclear research, enabling scientists to study atomic nuclei in detail. His invention was recognized with the Nobel Prize in Physics in 1939, solidifying his reputation as a pioneer in the field.

### Founding of Lawrence Berkeley National Laboratory
Recognizing the potential of his invention, Lawrence established the Lawrence Berkeley National Laboratory in 1931. The lab became a leading institution for nuclear and energy research, attracting top scientists and contributing to major advancements in physics and technology. The laboratory’s work continues to influence global scientific efforts.

### Impact on Nuclear Physics
Lawrence’s cyclotron and the research conducted at the Berkeley Lab accelerated the study of atomic nuclei, leading to key discoveries about nuclear forces and isotopes. His work paved the way for modern particle accelerators, which are now essential in fields ranging from medical imaging to materials science.

### Legacy and Influence
Ernest Lawrence’s contributions to nuclear physics and his mentorship of future scientists ensured his lasting impact on the field. His inventions and the Berkeley Lab he founded remain central to scientific research, shaping the trajectory of nuclear science for decades. Lawrence’s legacy continues to inspire physicists and engineers, ensuring his place as a foundational figure in the history of science.

## References

1. [Award ceremony speech. nobelprize.org](https://www.nobelprize.org/prizes/physics/1939/ceremony-speech/)
2. [Source](http://connection.ebscohost.com/tag/HICKOK%252C%2BWild%2BBill%252C%2B1837-1876)
3. [Source](http://prezi.com/2nudtny9p4vc/south-dakota/)
4. Лоуренс Эрнест Орландо. Great Soviet Encyclopedia (1969–1978)
5. [Ernest Lawrence. nobelprize.org](https://www.nobelprize.org/prizes/physics/1939/lawrence/biographical/)
6. [Source](http://www.atomicheritage.org/mediawiki/index.php/Ernest_O._Lawrence)
7. [Source](http://www.atomicarchive.com/Bios/Lawrence.shtml)
8. [cyclotron. Encyclopædia Britannica Online](http://www.britannica.com/EBchecked/topic/148211/cyclotron)
9. [Plutonium: The scary element that helps probe space's secrets. 2014](http://www.bbc.co.uk/news/magazine-29274491)
10. [Source](https://www.facebook.com/eet.div.lbnl/posts/913320572062733)
11. BnF authorities
12. [Source](http://www.nndb.com/company/251/000044119/)
13. [Source](http://www.nndb.com/org/107/000099807/)
14. NNDB
15. Find a Grave
16. [The Nobel Prize in Physics 1939. nobelprize.org](https://www.nobelprize.org/prizes/physics/1939/summary/)
17. [Table showing prize amounts. Nobel Foundation. 2019](https://www.nobelprize.org/uploads/2019/04/prize-amounts-2020.pdf)
18. [Source](https://www.fi.edu/en/laureates/ernest-o-lawrence)
19. [Source](https://www.sigmaxi.org/programs/prizes-awards/william-procter)
20. [Source](https://science.osti.gov/fermi/Award-Laureates)
21. National Inventors Hall of Fame
22. [Source](https://www.asme.org/about-asme/honors-awards/achievement-awards/holley-medal)
23. [About the Comstock Prize in Physics](http://www.nasonline.org/programs/awards/comstock-prize-in-physics.html)
24. [Source](https://www.iop.org/about/awards/silver-subject-medals/dennis-gabor-medal-and-prize-recipients)
25. [Source](https://www.nytimes.com/1979/10/19/archives/milton-g-white-69-physics-professor-designed-and-guided.html)
26. INSPIRE-HEP
27. International Standard Name Identifier
28. Virtual International Authority File
29. MusicBrainz
30. Q137732450
31. Encyclopædia Britannica Online
32. SNAC
33. Brockhaus Enzyklopädie
34. Gran Enciclopèdia Catalana
35. Croatian Encyclopedia
36. Munzinger Personen
37. Great Soviet Encyclopedia (1969–1978)
38. [Source](http://www.britannica.com/EBchecked/topic/332920/Ernest-Orlando-Lawrence)
39. [Source](http://www.brainyquote.com/quotes/authors/e/ernest_lawrence.html)
40. Freebase Data Dumps. 2013
41. Integrated Authority File
42. nobelprize.org
43. [Source](http://wwwp.oakland.edu/enp/erdpaths/)
44. GF WordNet