# Staff Profile

Background

I am a member of the E-learning team, working on Numbas, Chirun, and generally on the provision of E-learning materials.

#### My PhD

I studied my PhD at Durham University, asking the question 'can we use modern mathematics to improve the crystallographic process' - and the answer turned out to be 'not only that, but modern computers allow us to look back at the fundamentals and adjust those, too!' I worked with the refinement software Olex2 under the company OlexSys, who are delighted to find mathematical collaborators. I'm always happy to chat about the crystallographic process, even if it's not my current direction!

Publications

- Midgley L, Bourhis L, Dolomanov O, Grabowsky S, Kleemiss F, Puschmann H, Peyerimhoff N. Vanishing of the atomic form factor derivatives in non-spherical structural refinement - a key approximation scrutinized in the case of Hirshfeld atom refinement.
*Acta Crystallographica Section A: Foundations and Advances*2021,**77**, 519-533.