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Waldo Semon

American inventor (1898–1999)
Person Human Q7961585

Facts

15 properties
Instance of
human
Sex or gender
male[14]
Date of birth
September 10, 1898
Date of death
May 26, 1999
Place of birth
Demopolis
Place of death
Hudson
Country of citizenship
United States[7]
Occupation
chemist, inventor
Employer
Goodrich Corporation[8]
Educated at
University of Washington[9]
Award received
Charles Goodyear Medal, Elliott Cresson Medal, National Inventors Hall of Fame, Golden Plate Award[10][11][12][13]
Languages spoken, written or signed
English[17]
Family name
Semon[15]
Given name
Waldo[16]
Subject has role
centenarian[18]
🏷️ Also known as
en Waldo Lonsbury Semon en Waldo Semon fa والدو سمون pl Waldo Lonsbury Semon pt Waldo Lonsbury Semon ru Семон, Уалдо ru Уалдо Семон zh 沃尔多·塞蒙 zh 瓦勒度·L·塞蒙 zh-hant 沃爾多·塞蒙
🔖 Identifiers · 15
ISNI
0000000042674004
VIAF cluster ID
9426416
Library of Congress Authorities ID
no95009996
GND ID
1048483096
American National Biography ID
1302602
Awards & Winners artist ID
01dnc6
Encyclopædia Britannica Online ID
biography/Waldo-Semon
FAST ID
352425
Freebase ID
/m/01dnc6
IdRef ID
250379384
National Inventors Hall of Fame ID
waldo-l-semon
Prabook ID
2165278
Show all 15 identifiers +3
SNAC ARK ID
w6kr3bs8
WikiTree person ID
Semon-80
WorldCat Entities ID
E39PBJfh8fWPtYgRwFrJxW94bd

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🔗 Connections
Award received 4
Elliott Cresson Medal, Charles Goodyear Medal, National Inventors Hall of Fame, Golden Plate Award
Occupation 2
chemist, inventor
Country of citizenship 1
United States
Educated at 1
University of Washington
Employer 1
Goodrich Corporation
Instance of 1
human
Languages spoken, written or signed 1
English
Place of birth 1
Demopolis
Place of death 1
Hudson
Sex or gender 1
male
Subject has role 1
centenarian
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Summary

Waldo Semon was born on September 10, 1898[1], in Demopolis[2]. He died on May 26, 1999[3], in Hudson[4]. He worked as a chemist[5] and inventor[6].

FAQs

Where was Waldo Semon born?

Waldo Semon was born in Demopolis[2].

Where did Waldo Semon die?

Waldo Semon died in Hudson[4].

What did Waldo Semon do for work?

Waldo Semon worked as a chemist[5] and inventor[6].

Where did Waldo Semon go to school?

Waldo Semon was educated at University of Washington[9].

What awards did Waldo Semon receive?

Honors received include Charles Goodyear Medal[10], Elliott Cresson Medal[11], National Inventors Hall of Fame[12], and Golden Plate Award[13].

Related Entities

United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [14] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [5] ↑ . wikidata.org.
  7. [6] ↑ . wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [10] ↑ . rubbernews.com. rubbernews.com. Provenance: wikidata.org.
  10. [11] ↑ . fi.edu. fi.edu. Provenance: wikidata.org.
  11. [12] ↑ . National Inventors Hall of Fame. wikidata.org.
  12. [13] ↑ . achievement.org. achievement.org. Provenance: wikidata.org.
  13. [1] ↑ . Encyclopædia Britannica Online. Retrieved . wikidata.org.
  14. [3] ↑ . Encyclopædia Britannica Online. Retrieved . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Waldo Semon. Retrieved November 8, 2026, from https://4ort.xyz/entity/waldo-semon
MLA “Waldo Semon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/waldo-semon.
BibTeX @misc{4ortxyz_waldo-semon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Waldo Semon}}, year = {2026}, url = {https://4ort.xyz/entity/waldo-semon}, note = {Accessed: 2026-11-08}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · Printstream · 2026-11-08 view diff on Wikidata ↗
    Occupation → chemist, inventor
    Family name → Semon
    Given name → Waldo
    Place of death → Hudson
    + 9 other properties edited (see Wikidata diff for full list)
    "Changed [de] labels, descriptions or aliases: QuickStatements 3.0 batch #64920: generate missing Dde from available data"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.