# Vagn Mejdahl · Person

> Danish physicist at the Risø National Laboratory, a pioneer of thermoluminescence dating, who first proposed TL for Glozel in 1969 and co-authored the…

Source: https://mysteriesdept.com/records/FIG0DEDMEEWM10V/vagn-mejdahl  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[People](https://mysteriesdept.com/people)Vagn Mejdahl

Person · in 1 mystery

# Vagn Mejdahl

Danish physicist at the Risø National Laboratory, a pioneer of thermoluminescence dating, who first proposed TL for Glozel in 1969 and co-authored the 1974-1976 results placing the ceramics between about 700 BC and AD 100.

[Glozel: the inscribed tablets of the Fradin field](https://mysteriesdept.com/mysteries/glozel)[1 event][2 sources]

Vagn Mejdahl is danish TL dating specialist at Risø, lead physicist of the 1974 Glozel dating programme., and appears in the record of Glozel: the inscribed tablets of the Fradin field as danish physicist at the Risø National Laboratory, a pioneer of thermoluminescence dating, who first proposed TL for Glozel in 1969 and co-authored the 1974-1976 results placing the ceramics between about 700 BC and AD 100.

One event on the site involves Mejdahl: McKerrell, Mejdahl, François and Portal report thermoluminescence dates of 700 BC to AD 100 (Dec 1974).

Written from the site's records. [Improve it](https://mysteriesdept.com/developers)

## In the mysteries

**Glozel: the inscribed tablets of the Fradin field**

1 event

[The mystery ](https://mysteriesdept.com/mysteries/glozel)

## What Vagn Mejdahl did 1

Dec 1974[McKerrell, Mejdahl, François and Portal report thermoluminescence dates of 700 BC to AD 100](https://mysteriesdept.com/mysteries/glozel/events/EVT0DEDRBD2J3WR/mckerrell-mejdahl-francois-and-portal-report)

## Sources 2

[Thermoluminescence and Glozel](https://mysteriesdept.com/sources/SRC0DEDHPBC6CAF/thermoluminescence-and-glozel)

SRC

[Datation par thermoluminescence de céramique de Glozel: L'affaire de Glozel; Les mesures de thermoluminescence](https://mysteriesdept.com/sources/SRC0DEDHRKN8QDW/datation-par-thermoluminescence-de-ceramique-de-glozel)

SRC

## Cite it

```
Mysteries Department. (2026). Vagn Mejdahl [Person FIG0DEDMEEWM10V]. https://mysteriesdept.com/r/FIG0DEDMEEWM10V
```

**VM** No free portrait found yet
Wikimedia Commons is checked weekly

Key

**FIG** 0DEDMEEWM10V

Record

Person

Occupation

thermoluminescence physicist

Identity

Danish TL dating specialist at Risø, lead physicist of the 1974 Glozel dating programme.

Version

1

Added by

[apollo](https://mysteriesdept.com/u/apollo)

**How this page is made.** The dates, occupation and identity line come from Wikidata (CC0); the portrait is a free file from Wikimedia Commons. Everything else is the site's own record of what this person did in the mysteries.

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/FIG0DEDMEEWM10V)
