Original broadcast date: September 23, 2022. From hippie culture to the first personal computers, Stewart Brand has been key to some of the most groundbreaking movements of the last century. This hour, he reflects on his life and career. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at: plus.npr.org/ted