Astronomy
5 timelines
Al-Khwarizmi: Father of Algebra
Persian mathematician, astronomer and geographer who worked…
Aryabhata: Pioneer of Indian Astronomy
Indian mathematician and astronomer of the Gupta era, autho…
Galileo Galilei
A curated timeline of the life, scientific discoveries, and…
Historic Calendars
The calendars people have used to count days and years, fro…
Omar Khayyam: Mathematician, Astronomer and Poet
Persian mathematician, astronomer and philosopher of the Se…