Adrian Howells (9 April 1962 – 16 March 2014) was a British performance artist associated with one-to-one performance and intimate theatre. He performed in the United Kingdom and internationally (including in Israel, Singapore, Canada, Japan, Germany, Italy and other countries). He was a pioneer of one-to-one performance, in which an artist repeats and adapts a score for a performance for a single audience member, or audience-participant, and repeats the action serially across a run of several days. The process and outcomes in Howells' signature works were frequently modelled on activities associated with the service industries or the tertiary sector of the economy, such as washing the audience-participant's hair or clothes, or giving an audience-member a bath, replicating in some ways the