The story goes that he invented the revolving door because he simply hated holding doors open for people, especially women. It has also been reported that Kannel [sic] was a man without a family.

Starting in February 2014, he plans to take season 4 of the show weekly; you can support his Kickstarter campaign here. His most recent show—about revolving doors—can be played below.

If you make a point of minding your manners, revolving doors are a terror. Should a man go in first to get things rolling for his female companion? Or does the ...

An curved arrow pointing right. American inventor Theophilus Van Kennel reportedly hated holding doors open for women, so he created energy-efficient revolving doors to cure his social phobia.

American inventor Theophilus Van Kennel reportedly hated holding doors open for women, so he created energy-efficient revolving doors to cure his social phobia. Follow BI Video: On Twitter More ...

Revolving doors have been around for well over 100 years since their invention by Theophilus Van Kannel in 1888. As the story goes, Van Kannel, working in a lobby during a cold winter in Philadelphia, ...

While most of us have been content with swing and sliding doors for the vast majority of our needs around the home, the revolving door remains popular in a wide variety of contexts. It’s a ...

Revolving doors can be clumsy, but once you learn the good that they do to help the environment, you’ll rethink how you feel about them. Invented in the late 19th century, revolving doors were ...

Called "The Revolution Door," the revolving door is made of three parts ... The hosts of the Science Channel's Invention Nation took their camera to the lab of the door's inventors, Carmen ...

When this invention took its first revolution While there’s evidence of revolving doors in Chicago just after the turn of the century, they were actually invented twelve years earlier.