Definition of iconoclast from Wikipedia:
An iconoclast is someone who engages in iconoclasm—destruction of religious symbols or, by extension, established dogma or conventions.
Recently the GOTO Copenhagen conference had a track dedicated to Iconoclasts.
Here’s my short list of Iconoclasts primarily on OOP & TDD with examples:
Not forgetting some Iconoclasm towards Pure FP:
Gary Hamel - “We are all prisoners of our paradigms, and hostages to our beliefs.”
“assume nothing, question everything” - James Patterson