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
So You Think You’ve Got Problems?
We review the fifth of this year's nominees for the Book of the Year
Chalkdust Book of the Year 2019
We reveal the shortlist
In conversation with Chris Budd
We chat to one of the UK's most qualified voices in mathematics communication
