The episode: “Invasion of the Neptune Men,” ep. 819
The riff: Grumbled by Mike after a nuclear reactor explodes, sending up a big mushroom cloud. Tellingly, it follows a riff where Crow says “Ah, the mosquito spraying program is off to a great start.”
The explanation: Rachel Carson was a marine biologist and conservationist who was one of the major figures of environmentalism in the United States. Her 1962 book “Silent Spring” was one of the first to explore the dangers of pesticides, eventually leading to the nationwide band on DDT pesticides. She was posthumously awarded the Presidential Medal of Freedom by Jimmy Carter.
Novelty factor: I hadn’t heard the name before, but she sounds like quite a remarkable woman.