Is there a single person or event you think exemplifies the changing US society of the 1960s and 1970s? Explain

Is there a single person or event you think exemplifies the changing US society of the 1960s and 1970s? Explain your choice and why you chose it. Or, explain why you think no single person or event exemplifies this period. Then, name an event that you think illustrates the changing perceptions of authority within the United States in the 1960s and 1970s and explain your reasoning.