![Died On This Date (November 11, 1990) Ronnie Dyson / Sang “Aquarius” In Hair! Musical The Music's Over Died On This Date (November 11, 1990) Ronnie Dyson / Sang “Aquarius” In Hair! Musical The Music's Over](https://i0.wp.com/themusicsover.com/wp-content/uploads/2008/11/ronniedyson.jpg?resize=246%2C198)
Died On This Date (November 11, 1990) Ronnie Dyson / Sang “Aquarius” In Hair! Musical The Music's Over
![Freeman John Dyson. 15 December 1923—28 February 2020 | Biographical Memoirs of Fellows of the Royal Society Freeman John Dyson. 15 December 1923—28 February 2020 | Biographical Memoirs of Fellows of the Royal Society](https://royalsocietypublishing.org/cms/asset/053031ac-930c-4697-bccf-edc6ac6885f5/rsbm20210050f09.gif)
Freeman John Dyson. 15 December 1923—28 February 2020 | Biographical Memoirs of Fellows of the Royal Society
![Used 1990s Dyson DC01 bagless 'hoover' vacuum cleaner, in original yellow colour, as a cut out on white background. UK Stock Photo - Alamy Used 1990s Dyson DC01 bagless 'hoover' vacuum cleaner, in original yellow colour, as a cut out on white background. UK Stock Photo - Alamy](https://c8.alamy.com/comp/EDP68P/used-1990s-dyson-dc01-bagless-hoover-vacuum-cleaner-in-original-yellow-EDP68P.jpg)
Used 1990s Dyson DC01 bagless 'hoover' vacuum cleaner, in original yellow colour, as a cut out on white background. UK Stock Photo - Alamy
![Science Museum on Twitter: "This early Dyson Cyclone vacuum cleaner is from 1986, and was made in Japan. It had no bag and instead used centrifugal forces to separate dirt from air Science Museum on Twitter: "This early Dyson Cyclone vacuum cleaner is from 1986, and was made in Japan. It had no bag and instead used centrifugal forces to separate dirt from air](https://pbs.twimg.com/media/DhQYDoZWsAAxq_E.jpg:large)
Science Museum on Twitter: "This early Dyson Cyclone vacuum cleaner is from 1986, and was made in Japan. It had no bag and instead used centrifugal forces to separate dirt from air
![Used 1990s Dyson DC01 bagless 'hoover' vacuum cleaner, in original yellow colour, as a cut out on white background. UK Stock Photo - Alamy Used 1990s Dyson DC01 bagless 'hoover' vacuum cleaner, in original yellow colour, as a cut out on white background. UK Stock Photo - Alamy](https://c8.alamy.com/comp/EEMFE2/used-1990s-dyson-dc01-bagless-hoover-vacuum-cleaner-in-original-yellow-EEMFE2.jpg)