Calum is a lecturer in physics at Edge Hill University where he studies topological solitons and enjoys talking about maths and physics to anyone who will listen. He can often be found on the side of a mountain or out on a bike, talking to himself about solitons.
More from Chalkdust

Dear Dirichlet, Issue 21
Suits, sofas and sculptures punctuate the prof's postbag this issue
Oπnions: In defence of toy models
Calum gets on his soap box about toy models
Cryptic wordsearch, Issue 19
Can you solve it?
On the cover: skyrmions
Sven Bjarke Gudnason and Calum Ross introduce you to the wonderful world of skyrmions
Maths and music, together in harmony
Uniting the teaching of mathematics and music can benefit pupils greatly in both areas.
Roots: Mary Somerville
Mary Somerville fights against social mores to become one of the leading mathematicians of her time.
