Yrjö VÀisÀlÀ: References & Edit History
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Anniversary information added. | Sep 02, 2025 | ||
| Anniversary information added. | Jul 18, 2025 | ||
| First paragraph modernization. | Apr 12, 2024 | ||
| Add new Web site: University of Oulu - Biography of Yrjïżœ Neuvo. | Jun 09, 2016 | ||
| Modified title of Web site: University of Turku - Department of Physics and Astronomy - History of Tuorla Observatory. | Jun 09, 2016 | ||
| Add new Web site: University of Turku - Department of Physics and Astronomy - History of Tuorla Observatory. | Jun 09, 2016 | ||
| Article revised. | Jul 19, 2002 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: