Career
She was also a campaigner for the rights of transsexual people. Head of Criticality Safety at the Atomic Weapons Establishment for some years;
Chairperson of the United Kingdom Working Party on Criticality;
Participant in the International Criticality Safety Benchmark Evaluation Project;
Authored or co-authored several published papers on various aspects of criticality safety. She held various roles in Safety Committees and the Reactor Safety Panel at the Atomic Weapons Establishment (now AWE, plc).
She was interested in the subjects of criticality safety and Radiological Protection - Health Physics.
Angela was also active in national and local Prospect trade union activities, including serving on the pension National Executive Committee (Nippon Electric Corporation) Advisory Sub Committee and was an elected trustee of the AWE Pension Scheme from 1 February 2009 - 1 February 2011. After her early retirement in March 2011 on medical grounds due to complications from an old automobile accident in 1999, she pursued various artistic and intellectual activities including acquiring a large telescope with which she could engage in a lifelong love of Astronomy.
Her most recent degree was in Law from the Open University. She graduated with a first in April 2009.
Her early interactions with medical practitioners were described as traumatic, leading her to transition without medical support.
After living several years as a woman, she reengaged with medical practitioners to obtain surgery. She worked as a campaigner with Press for Change beginning in 1999 and later served as their vice-president Her interest in the role of trade unions in promoting equality for transport people led her to become the first “transport observer” to the United Kingdom Trades Union Congress (Trades Union Congress) LGBT Committee.
She was also involved in the development and implementation of the Gender Recognition Acting 2004.
Clayton was a speaker at the Greater London LGBT Organising Day in February 2008. She contributed to the "Transport Data Position Paper for the National Statistics: United Kingdom Statistics Authority in 2009.