![](https://i0.wp.com/chalkdustmagazine.com/wp-content/uploads/2024/04/calum.jpg?resize=150%2C150&ssl=1)
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
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 skyrmionsChristmas puzzle #3: Colouring by numbers
Puzzle #3 in our 2020 Christmas puzzle seriesLaunch day puzzle hunt
Celebrate the launch of issue 11 by taking part in our puzzle huntThe first Black Mathematician Month outreach event
Looking back at the exciting day that closed our 2018 celebrationsHow to make: a slide rule
Make calculations easy with this simple-to-make slide rule