# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/heinrich-gei-ler
# Generated: 2026-08-15T05:03:01.711Z

schema: https://schema.org/Person
url: "https://fame.am/person/heinrich-gei-ler"
name: "Heinrich Geißler"
slug: "heinrich-gei-ler"
description: "Johann Heinrich Wilhelm Geißler was a skilled glassblower and physicist, famous for his invention of the hand pumped Geissler mercury vacuum pump in the mid-1850's and in 1857, the Geissler tube, made of glass and used as a low pressure gas-discharge tube; these two inventions were critical technologies leading to the discovery of the electron."
tagline: "Physicist (1814–1879)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Johann_Heinrich_Wilhelm_Gei%C3%9Fler_in_1875-1879_02.jpg?width=1200"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1814-05-26"
deathDate: "1879-01-24"
livingStatus: "DECEASED"
scores:
  popularity:           52.16
  momentum:             4.750728283898306
  historical:           20.15396133333333
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D0%B9%D1%81%D0%BB%D0%B5%D1%80%2C_%D0%93%D0%B5%D0%BD%D1%80%D0%B8%D1%85_%D0%98%D0%BE%D0%B3%D0%B0%D0%BD%D0%BD_%D0%92%D0%B8%D0%BB%D1%8C%D0%B3%D0%B5%D0%BB%D1%8C%D0%BC"
    title: "Гейслер, Генрих Иоганн Вильгельм"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%87%D9%8A%D9%86%D8%B1%D9%8A%D8%AE_%D8%AC%D9%8A%D8%B3%D9%84%D9%8A%D8%B1"
    title: "هينريخ جيسلير"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler_(Glasbl%C3%A4ser)"
    title: "Heinrich Geißler (Glasbläser)"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%A7%CE%AC%CE%B9%CE%BD%CF%81%CE%B9%CF%87_%CE%93%CE%BA%CE%AC%CE%B9%CF%83%CE%BB%CE%B5%CF%81"
    title: "Χάινριχ Γκάισλερ"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler"
    title: "Heinrich Geißler"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler"
    title: "Heinrich Geißler"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://fi.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler_(physicien)"
    title: "Heinrich Geißler (physicien)"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%94%D7%99%D7%99%D7%A0%D7%A8%D7%99%D7%9A_%D7%92%D7%99%D7%99%D7%A1%D7%9C%D7%A8"
    title: "היינריך גייסלר"
    type:  "WIKIPEDIA"
  - url: "https://hr.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%8F%E3%82%A4%E3%83%B3%E3%83%AA%E3%83%83%E3%83%92%E3%83%BB%E3%82%AC%E3%82%A4%E3%82%B9%E3%83%A9%E3%83%BC"
    title: "ハインリッヒ・ガイスラー"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%ED%95%98%EC%9D%B8%EB%A6%AC%ED%9E%88_%EA%B0%80%EC%9D%B4%EC%8A%AC%EB%9F%AC"
    title: "하인리히 가이슬러"
    type:  "WIKIPEDIA"
  - url: "https://la.wikipedia.org/wiki/Henricus_Gei%C3%9Fler_(vitrearius)"
    title: "Henricus Geißler (vitrearius)"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler"
    title: "Heinrich Geißler"
    type:  "WIKIPEDIA"
  - url: "https://nn.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler"
    title: "Heinrich Geißler"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Heinrich_Geissler"
    title: "Heinrich Geissler"
    type:  "WIKIPEDIA"
  - url: "https://ro.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler"
    title: "Heinrich Geißler"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q60807"
    title: "Wikidata"
    type:  "WIKIDATA"

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