# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/lawrence-r-hafstad
# Generated: 2026-08-14T10:21:55.050Z

schema: https://schema.org/Person
url: "https://fame.am/person/lawrence-r-hafstad"
name: "Lawrence R. Hafstad"
slug: "lawrence-r-hafstad"
description: "Lawrence Randolph Hafstad was an American electrical engineer and physicist notable for his pioneering work on nuclear reactors and development of proximity fuzes. In 1939, he created the first nuclear fission reaction in the United States."
tagline: "American physicist (1904–1993)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Lawrence_R._Hafstad%2C_1967.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1904-06-18"
deathDate: "1993-10-12"
livingStatus: "DECEASED"
scores:
  popularity:           36.99
  momentum:             9.23076923076923
  historical:           5.268862666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  70
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://fa.wikipedia.org/wiki/%D9%84%D9%88%D8%B1%D8%A7%D9%86_%D8%A2%D8%B1_%D9%87%D8%A7%D9%81%D8%B3%D8%AA%D8%A7%D8%AF"
    title: "لوران آر هافستاد"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Lawrence_Hafstad"
    title: "Lawrence Hafstad"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Lawrence_R._Hafstad"
    title: "Lawrence R. Hafstad"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Lawrence_Hafstad"
    title: "Lawrence Hafstad"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Lawrence_Hafstad"
    title: "Lawrence Hafstad"
    type:  "WIKIPEDIA"
  - url: "https://nn.wikipedia.org/wiki/Lawrence_Hafstad"
    title: "Lawrence Hafstad"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1809188"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump