What did James Gregory discover?

What did James Gregory discover?

James Gregory, also spelled James Gregorie, (born November 1638, Drumoak [near Aberdeen], Scotland—died October 1675, Edinburgh), Scottish mathematician and astronomer who discovered infinite series representations for a number of trigonometry functions, although he is mostly remembered for his description of the first …

What did James Gregory do for math?

James Gregory was a Scottish scientist and first Regius Professor of Mathematics at St Andrews who described the first practical reflecting telescope. He worked on using infinite convergent series to find the areas of the circle and hyperbola.

Where was mathematician James Gregory born?

Drumoak, United KingdomJames Gregory / Place of birthDrumoak is a village situated between Peterculter and Banchory in North Deeside, Aberdeenshire, Scotland. Wikipedia

Where did James Gregory go to school?

Marischal CollegeUniversity of St AndrewsUniversity of PaduaUniversity of Aberdeen
James Gregory/Education

When did J Gregory invent the motor?

April 26, 1887
SPECIFICATION forming part of Letters Patent No. 361,937, dated April 26, 1887.

How old is James Gregory?

90 years (1911–2002)James Gregory / Age at death

How does Gregorian telescope work?

The Gregorian telescope consists of two concave mirrors: the primary mirror (a concave paraboloid) collects the light and brings it to a focus before the secondary mirror (a concave ellipsoid), where it is reflected back through a hole in the centre of the primary, and thence out the bottom end of the instrument, where …

What was the first Black invention?

Most historians agree that Thomas L. Jennings is the first African American patent holder in the United States. Jennings invented a way to dry-clean clothes in 1821. Judy W.

Who invented the motor?

Michael FaradayThomas DavenportWilliam SturgeonEmily Davenport
Motor/Inventors

What killed James Gregory?

natural causes
Death. Gregory died of natural causes in Sedona, Arizona, in 2002, aged 90.

Was James Gregory in the military?

Gregory served three years in the United States Navy and United States Marine Corps during World War II. His early acting work included Army training films; one such appearance is excerpted in The Atomic Café (1982).

What is a Gregorian dome?

The dome is referred to as the “Gregorian”. • A “Gregorian” focus refers to one in which the secondary reflector is placed behind the focal point of the primary reflector. • In this case, there are 3 reflectors: primary, secondary, tertiary.

Where was the Gregorian telescope made?

James Gregory Telescope