Laurent Cassegrain
Ray path of a Cassegrain telescope
Laurent Cassegrain (* c. 1629 in Chartres ; † August 31, 1693 in Chaudon (Eure-et-Loir) ) was a Catholic priest . He is the inventor and namesake of the Cassegrain telescope .
There are few records of his life:
- He worked as a science teacher at the Collège de Chartres , a French lycée .
- The invention of the telescope is attributed to him on the basis of a manuscript that Marqui de Bercé mentions in an exchange of letters which Jean-Baptiste Denis publishes in extracts following the invention of the Newtonian telescope .
- He published a memorandum on speaking tubes
The lunar crater Cassegrain is named after him. The exact first name was not yet clarified when it was named in 1970, Guillaume, Jaques, Nicolas, Jean and Giovanni were also mentioned.
Web links
- Chaudon's website about Laurent Cassegrain (French)
- André Baranne, Françoise Launay, Cassegrain: un célèbre inconnu de l'astronomie instrumentale , Journal of Optics 28, 1997, pp. 158-172 doi : 10.1088 / 0150-536X / 28/4/004
Individual evidence
- ↑ CR Kitchin, Telescopes and Techniques , 2012, limited preview in Google Book Search
| personal data | |
|---|---|
| SURNAME | Cassegrain, Laurent |
| BRIEF DESCRIPTION | French Catholic priest, scholar |
| DATE OF BIRTH | around 1629 |
| PLACE OF BIRTH | Chartres |
| DATE OF DEATH | August 31, 1693 |
| Place of death | Chaudon (Eure-et-Loir) |