Hmm, I thought the other poop knife apocryphal story was older, https://www.sciencedirect.com/science/article/pii/S2352409X19305371 https://www.sciencedirect.co

Hmm, I thought the other poop knife apocryphal story was older, https://www.sciencedirect.com/science/article/pii/S2352409X19305371 https://www.sciencedirect.com/science/article/pii/S2352409X1... but the oldest reference I could find there was 1953, while the Spock book is older.