# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/louis-plack-hammett
# Generated: 2026-08-14T23:32:44.244Z

schema: https://schema.org/Person
url: "https://fame.am/person/louis-plack-hammett"
name: "Louis Plack Hammett"
slug: "louis-plack-hammett"
description: "Louis Plack Hammett was an American physical chemist. He is known for the Hammett equation, which relates reaction rates to equilibrium constants for certain classes of organic reactions involving substituted aromatic compounds. He is also known for his research into superacids and his development of a scheme for comparing their acidities based on what is now known as the Hammett acidity function. The Curtin–Hammett principle bears his name."
tagline: "American chemist (1894–1987)"
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: "1894-04-07"
deathDate: "1987-02-09"
livingStatus: "DECEASED"
scores:
  popularity:           43.14
  momentum:             0
  historical:           12.87588266666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  55
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
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    title: "லூயிஸ் ஹாம்மெட்"
    type:  "WIKIPEDIA"
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    title: "لويس بلاك هاميت"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%84%D9%88%D9%8A%D8%B3_%D8%A8%D9%84%D8%A7%D9%83_%D9%87%D8%A7%D9%85%D9%8A%D8%AA"
    title: "لويس بلاك هاميت"
    type:  "WIKIPEDIA"
  - url: "https://bn.wikipedia.org/wiki/%E0%A6%B2%E0%A7%81%E0%A6%87_%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%95_%E0%A6%B9%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AE%E0%A6%AE%E0%A7%87%E0%A6%9F"
    title: "লুই প্ল্যাক হ্যামমেট"
    type:  "WIKIPEDIA"
  - url: "https://cs.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%84%D9%88%D8%A6%DB%8C%D8%B3_%D9%BE%D9%84%D8%A7%DA%A9_%D9%87%D8%A7%D9%85%D8%AA"
    title: "لوئیس پلاک هامت"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%AB%E3%82%A4%E3%82%B9%E3%83%BB%E3%83%8F%E3%83%A1%E3%83%83%E3%83%88"
    title: "ルイス・ハメット"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Louis_Plack_Hammett"
    title: "Louis Plack Hammett"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%93%D0%B0%D0%BC%D0%BC%D0%B5%D1%82%2C_%D0%9B%D1%83%D0%B8%D1%81_%D0%9F%D0%BB%D0%B0%D0%BA"
    title: "Гаммет, Луис Плак"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q49349"
    title: "Wikidata"
    type:  "WIKIDATA"

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