# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/hans-heinrich-landolt
# Generated: 2026-08-15T22:17:11.767Z

schema: https://schema.org/Person
url: "https://fame.am/person/hans-heinrich-landolt"
name: "Hans Heinrich Landolt"
slug: "hans-heinrich-landolt"
description: "Hans Heinrich Landolt was a Swiss chemist who discovered iodine clock reaction. He is also one of the founders of Landolt–Börnstein database. He tested law of mass conservation which was given by Lavoisier."
tagline: "Swiss chemist, 1831 - 1910"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Hans_Heinrich_Landolt_02.jpg?width=1200"
gender: "male"
country:
  name: "Germany"
  isoCode: "DE"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1831-12-05"
deathDate: "1910-03-15"
livingStatus: "DECEASED"
scores:
  popularity:           43.66
  momentum:             0
  historical:           13.54312533333333
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://zh.wikipedia.org/wiki/%E6%B1%89%E6%96%AF%C2%B7%E5%85%B0%E5%A4%9A%E5%B0%94%E7%89%B9"
    title: "汉斯·兰多尔特"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B2_%D9%87%D8%A7%D9%8A%D9%86%D8%B1%D9%8A%D8%B4_%D9%84%D8%A7%D9%86%D8%AF%D9%88%D9%84%D8%AA"
    title: "هانز هاينريش لاندولت"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D9%87%D8%A7%D9%86%D8%B3_%D9%87%D8%A7%DB%8C%D9%86%D8%B1%DB%8C%D8%B4_%D9%84%D8%A7%D9%86%D8%AF%D9%88%D9%84%D8%AA"
    title: "هانس هاینریش لاندولت"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Hans_Landolt"
    title: "Hans Landolt"
    type:  "WIKIPEDIA"
  - url: "https://ro.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9B%D0%B0%D0%BD%D0%B4%D0%BE%D0%BB%D1%8C%D1%82%2C_%D0%93%D0%B0%D0%BD%D1%81_%D0%93%D0%B5%D0%BD%D1%80%D0%B8%D1%85"
    title: "Ландольт, Ганс Генрих"
    type:  "WIKIPEDIA"
  - url: "https://sq.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Hans_Heinrich_Landolt"
    title: "Hans Heinrich Landolt"
    type:  "WIKIPEDIA"
  - url: "https://uk.wikipedia.org/wiki/%D0%93%D0%B0%D0%BD%D1%81_%D0%93%D0%B5%D0%BD%D1%80%D1%96%D1%85_%D0%9B%D0%B0%D0%BD%D0%B4%D0%BE%D0%BB%D1%8C%D1%82"
    title: "Ганс Генріх Ландольт"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q124248"
    title: "Wikidata"
    type:  "WIKIDATA"

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