• Born date: 1844-08-25
  • Born in: n.a.
  • Death date: 1934-03-21
Thomas Muir (mathematician)

Sir Thomas Muir FRS (25 August 1844 – 21 March 1934) was a Scottish mathematician, remembered as an authority on determinants. He was born in Stonebyres in South Lanarkshire, and brought up in the small town of Biggar. At the University of Glasgow he changed his studies from classics to mathematics after advice from the future Lord Kelvin. After graduating he held positions at the University of St Andrews and the University of Glasgow. From 1874 to 1892 he taught at Glasgow High School.