The IMA/LMS Zeeman Medal has been awarded every two years since 2008, to an individual, to “recognise and acknowledge the contributions of mathematicians involved in promoting mathematics to the public and engaging with the public in mathematics in the UK, and demonstrate that such activities are valued by the societies and the mathematical community at large and are a part of a mathematician’s roles and responsibilities”. The nomination process is now open for 2018, and details of eligibility and how to make a nomination are at the link below.