# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-gwyn-jeffreys
# Generated: 2026-08-14T08:00:22.692Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-gwyn-jeffreys"
name: "John Gwyn Jeffreys"
slug: "john-gwyn-jeffreys"
description: "John Gwyn Jeffreys FRS was a British conchologist and malacologist."
tagline: "Welsh conchologist and malacologist (1809–1885)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/John_Gwyn_Jeffreys_cropped.jpg?width=1200"
gender: "male"
category:
  name: "Journalists"
  slug: "journalists"
profileType:
  name: "Journalist"
  slug: "journalist"
birthDate: "1809-01-18"
deathDate: "1885-01-21"
livingStatus: "DECEASED"
scores:
  popularity:           38.48
  momentum:             2.045454545454546
  historical:           7.003816
  currentAttention:     0
  sourceConfidence:     45
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sv.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%AC%D9%88%D9%8A%D9%86_%DA%86%D9%8A%D9%81%D8%B1%D9%8A%D8%B3"
    title: "جون جوين چيفريس"
    type:  "WIKIPEDIA"
  - url: "https://cy.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://species.wikipedia.org/wiki/John_Gwyn_Jeffreys"
    title: "John Gwyn Jeffreys"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3181658"
    title: "Wikidata"
    type:  "WIKIDATA"

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