Thomas Crapper, the Unfortunately Named Plumber He manufactured toilets and invented three improvements to toilet design. According to the most common story, his name became associated with the toilet during WWI. Crapper supplied many of the cisterns American servicemen would use overseas.

John Gotti was a famous American underworld personality. He came to power (in the underworld) when he became the Gambino Family's big boss. He was not actually a plumber. However, he used his plumbing business as a front to cover-up his illegal activities.

The skill and art that is needed to transport water from the source to the users, then to the treatment plants, and finally supplying the treated water to the users through a distribution system is known as plumbing.

Plumbers and the plumbing industry help us optimize our water usage through technology and water management. They work to ensure there's always enough water to go around. They also play an important role in taking actions such as harvesting rainwater, desalination, wastewater treatment, and water reuse.