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

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
Dear Dirichlet, Issue 17
Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.
Chalkdust Book of the Year 2020
We announce the shortlist
In conversation with Clifford Cocks
We chat to the crypto chief about inventing RSA... but not being able to tell anyone
