John Lennon is remembered screeching out the lyrics and jangling the heavily amplified guitar of the classic Beatles' song, "Revolution" and people who have heard it can familiarize with the actual word, meaning big change. In a way, the Beatles did revolutionize rock and roll, and since their heyday, rock music changed forever. Like John Lennon, recognizable people in history are remembered well for the revolutionary ideas, thoughts, and/or intelligence that impacted lives and allows us to read about them and remember them as historical giants in which methods of thought and procedure evolved over time as well as shaped the way we humans live today. These people supported strong initiatives and stood up for what they believed in, and were honored in their lives and some more so after death, giving us legacies to explore. I will briefly compare and contrast the importance of three revolutionary...