Skip to content
229,067 profiles ranked

John Machin

English mathematician · Academics · Lived 1680 to 1751 · aged 71

John Machin was a professor of astronomy at Gresham College, London. He is best known for developing a quickly converging series for pi in 1706 and using it to compute pi to 100 decimal places.

John Machin is read about 23 times a day, in 22 languages.

A typical day, 30 days to 15 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

Something wrong?
Compare

People around John

Close ties

Media & music

Photos 1

Awards

Fellow of the Royal Society

About this person

Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1680 to 1751 · aged 71