Final answer:
The quote is by Martin Luther King Jr., who was advocating for a shift in societal values from materialistic to people-centric as part of a radical revolution for social justice.
Step-by-step explanation:
The individual who said, "I am convinced that if we are to get on the right side of the world revolution, we as a nation must undergo a radical revolution of values. We must rapidly begin the shift from a "thing oriented" society to a "person oriented" society," was Martin Luther King, Jr. He was a prominent figure in the American civil rights movement and a strong advocate for social justice. He believed in a radical transformation of society's values to prioritize human dignity and community over materialism.