The Mixed Reality Laboratory at the University of Nottingham has been a staple of the CHI community for twenty years. From its founding in 1999 through to today, it has placed its relationship with art and artists at the forefront of its research methods. Read more in ‘Twenty years of the Mixed Reality Laboratory’, a paper published by Paul Tennent and Steve Benford, presented at CHI, Glasgow 2019 which includes a number of Horizon Media Campaign projects.