The revolving door dates back to the late 19th century, with two main patent filings occurring around that time. One H. Bockhacker in Germany filed a patent for a rotating cylindrical door in 1881.

The revolving door was invented way back in 1881 by a German man named H. Bockhacker as a “door without draft of air.” It’s basically a series of panels (nowadays, typically four) that ...

And since the revolving door generates bad effects for society, taxation would be an appropriate way of discouraging it. It's what's called a Pigouvian tax, named after economist Arthur Pigou.

Hrala, Josh. "The Revolving Door Was Invented to Put an End to Chivalry." Modern Notion. 15 May 2015. McCall, David. "In a Spin: the History of Revolving Doors." Australian Design Review. 24 July ...

The term "revolving door" refers to the movement of high-level employees from public-sector jobs to private-sector jobs, and vice versa.

“The revolving door — the pattern of people going from industry to agency, back to industry — that will be closed in the Obama White House.” — Obama, in Iowa in December 2007.

The revolving door is just one symptom of a bigger picture: Whatever claims our political class makes about the general welfare, it is really running things mostly for its own benefit.