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

Chalkdust issue 22 – Coming 17 November
Pre-order your copy of issue 22 now!
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
A Compendium of Mathematical Methods
We review the second of this year's nominees for the Book of the Year
In conversation with Ian Stewart
We speak to one of Britain's most successful popularisers of maths
