A **mathematician** was a person whose primary field of study was mathematics.

Dr Who was the greatest human mathematician. (PROSE: *The Equations of Dr Who*) Lady Peinforte hired a mathematician to calculate the path of Nemesis. (TV: *Silver Nemesis*)

Another mathematician resided within psychspace and was part of the Great Melding Minds. (COMIC: *Forever Dreaming*)

The Logopolitans were a race of mathematicians on the planet Logopolis. (TV: *Logopolis*)