"pushes the boundaries of what conceptual art can be today"
- Somerset House
"popular, radical and subversive... a hard trick to pull off"
- Gordon Dalton
"in these nervous times, we need artists like Harrison more than ever"
- Laurie Penny
"a mischievous, doubtful and provocative rabble-rouser"
- Chris Fite-Wassilak
- The Spectator