science jokes: Landlord: There was a chemist living here before you. #48

Landlord: "There was a chemist living here before you. His name was Dr Crompsworth, maybe you've heard of him." —Tenant: "Oh, so those blue, red and green stains all over the walls stem from the chemicals in his experiments, I see." —Landlord: "Not quite. The red ones are Dr Crompsworth."
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