Gregorian telescope [SEP] discoverer or inventor
Gregorian telescope
The Gregorian telescope is a type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, and first built in 1673 by Robert Hooke. James Gregory was a contemporary of Isaac Newton, both often worked simultaneously on similar projects. Gregory's design was published in 1663 and pre-dates the first practical reflecting telescope, the Newtonian telescope, built by Sir Isaac Newton in 1668. However, Gregory's design was only a theoretical description and he never actually constructed the telescope. It was
Alphabetical list L.
- Anders Johan Lexell, astronomer and mathematician; researcher of celestial mechanics and comet astronomy; proved that Uranus is a planet rather than a comet
- Andrei Linde, created the Universe chaotic inflation theory
- Evgeny Lifshitz, an author of the BKL singularity model of the Universe evolution
- Mikhail Lomonosov polymath, inventor of the off-axis reflecting telescope, discoverer of the atmosphere of Venus
- Mikhail Lyapunov, astronomer
- Kronid Lyubarsky, worked on the Soviet program of interplanetary exploration of Mars