1396This lady was very, very scary. Not because she wasn’t perfectly pleasant – which she was – but because she loved maths and talked about how she gave this particular equation to her pupils as a gift when they turn 18.

“I love it because it involves imaginary numbers and irrational numbers,” she explains in her audio commentary, going on to say how a fellow mathematician had once given her this equation. All numbers are irrational as far as I’m concerned… Taken at the We Are Bedford community event.