Harvey is really a force for good when it comes to making programming and computer science topics accessible to more people. In addition to SICP and SNAP work,

Harvey is really a force for good when it comes to making programming and computer science topics accessible to more people. In addition to SICP and SNAP work, he was also a force behind UCB Logo and wound up writing a three volume introduction to computer science for high schoolers. People can read them online at https://www.cs.berkeley.edu/~bh/logo.html https://www.cs.berkeley.edu/~bh/logo.html