Our team

ATOM is managed by a team of volunteers drawn from the science, education and business community in and around Abingdon-on-Thames, Oxfordshire.

Mark Thornton


Mark Thornton is one of the founders of Mostly Books independent bookshop, on Stert Street in Abingdon. Originally a computer scientist, Mark’s journey to bookselling was via a PhD in passive solar building design, a web design company and trips to Borneo and Congo to track timber out of forests. As a result of a shared passion for books and storytelling with his wife, they founded Mostly Books and ran it for over ten years before moving on to work in consultancy. Mostly Books continues to be closely associated with ATOM Festival under its new owners and offers science and technology titles at many ATOM events.

Mark has brought together his twin passions for science and storytelling into Stories from Science, a podcast platform, and Firefly Cage, his science writing consultancy.

Jutta Weber


Jutta Weber is a founding member of Oxfordshire's first Free school, Europa School UK, which specialises in both sciences and languages. As such she has a keen interest in science education and particularly in science outreach projects. She moved to Abingdon in 1999.



Alfons Weber


Alfons Weber, is a Professor of Physics holding a joint appointment with the University of Oxford and the Rutherford Appleton Laboratory, Harwell. He is a committee member of the ATOM society and has been an Abingdon resident since 1999.

Jeremy Thomas


Jeremy Thomas is Co-ordinator of the Abingdon Science Partnership and a Physics teacher at Abingdon School with over twenty years experience in science education in various types of schools. He has a keen interest in promoting STEM subjects to young people as well as having been involved in organising events such as Portsmouth's Star City Festival and BBC South's local Stargazing Live activities.





David Pennington


Following a career in design and development of electronic systems, mainly for the Royal Navy, he retired as Chief Systems Engineer of Ultra Electronics Command and Control Systems. He has lived in Abingdon since 2011 and joined the ATOM Society on its formation.




Iain Littlejohn


Iain Littlejohn is one of the founder members of the ATOM Festival of Science & Technology in 2014. He has run his own management consultancy business for the last ten years. Alongside this, Iain is engaged with various community activities. He is currently Chair of Governors at Larkmead School and a Director of the Oxfordshire Science Festival and HESA (Higher Educational Statistical Agency). He has lived in Abingdon for 20 years and is married with three children.



Kasia Lewis


Kasia Lewis is Director of Oxford International Biomedical Centre (OIBC) - a charity that organises Scientists in Schools - educational events aimed at enthusing more young people about science and encouraging them to choose further education in science subjects. Kasia has been a member of ATOM committee since 2014.



Sian Tedaldi


Sian Tedaldi is employed by the University of Oxford to provide activities for schools and public groups that stimulate interest in physics. In her spare time she is the programme organiser for the ATOM Society in Abingdon-on-Thames.




Bryan Brown



Heather Brown

ATOM Festival Co-Ordinator


Heather Brown was Partnership Manager during the period when the ATOM Festival was first conceived and developed by the Choose Abingdon Partnership, subsequently working as Community Services Officer in Abingdon-on-Thames Town Council. In 2016 she established Mushroom Communications as a locally-rooted  marketing and business services agency specialising in helping community projects, and is now associated with the ATOM Festival once again, providing co-ordination, administration and marketing services.


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