What is an alternate name for a universal joint that is also the last name of an English natural philosopher, architect and polymath?
Universal joint A universal joint (universal coupling, U-joint, Cardan joint, Spicer or Hardy Spicer joint, or Hooke's joint) is a joint or coupling connecting rigid rods whose axes are inclined to each other, and is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges located close together, oriented at 90° to each other, connected by a cross shaft. The universal joint is not a constant-velocity joint.
John Selden John Selden (16 December 1584 – 30 November 1654) was an English jurist and a scholar of England's ancient laws and constitution and scholar of Jewish law. He was known as a polymath showing true intellectual depth and breadth; John Milton hailed Selden in 1644 as "the chief of learned men reputed in this land."