# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/julius-h-kroehl
# Generated: 2026-08-14T22:03:39.743Z

schema: https://schema.org/Person
url: "https://fame.am/person/julius-h-kroehl"
name: "Julius H. Kroehl"
slug: "julius-h-kroehl"
description: "Julius Hermann Kroehl was a German American inventor and engineer. He invented and built the first submarine able to dive and resurface on its own, the Sub Marine Explorer, technically advanced for its era. His achievements in architecture, civil engineering, and mechanical engineering were also significant."
tagline: "German submarine pioneer"
gender: "male"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1820"
deathDate: "1867-09-09"
livingStatus: "DECEASED"
scores:
  popularity:           38.72
  momentum:             0
  historical:           6.805976
  currentAttention:     0
  sourceConfidence:     45
  profileCompleteness:  45
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://pl.wikipedia.org/wiki/Julius_Hermann_Krohl"
    title: "Julius Hermann Krohl"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D9%8A%D9%88%D9%84%D9%8A%D9%88%D8%B3_%D8%A7%D8%AA%D8%B4_%D9%83%D8%B1%D9%88%D9%87%D9%84"
    title: "يوليوس اتش كروهل"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Julius_Kr%C3%B6hl"
    title: "Julius Kröhl"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Julius_H._Kroehl"
    title: "Julius H. Kroehl"
    type:  "WIKIPEDIA"
  - url: "https://eo.wikipedia.org/wiki/Julius_Kr%C3%B6hl"
    title: "Julius Kröhl"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Julius_H._Kroehl"
    title: "Julius H. Kroehl"
    type:  "WIKIPEDIA"
  - url: "https://lt.wikipedia.org/wiki/Julius_Kr%C3%B6hl"
    title: "Julius Kröhl"
    type:  "WIKIPEDIA"
  - url: "https://mg.wikipedia.org/wiki/Julius_H._Kroehl"
    title: "Julius H. Kroehl"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q87406"
    title: "Wikidata"
    type:  "WIKIDATA"

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