About Dennis Walsh
Lived 1933 – 2005 (aged 71). Dennis Walsh was a British astronomer.
Dennis Walsh (12 June 1933 – 1 June 2005) was an English astronomer. He was an early radio astronomer, as well as an optical astronomer. He was best known for his discovery in 1979 of the first example of a gravitational lens, B0957+561, using an optical telescope.
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Important facts
Related people
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Contemporaries
People whose lives overlapped Dennis Walsh's
Frequently asked questions
Who was Dennis Walsh?
English astronomer (1933-2005)
When was Dennis Walsh born?
Dennis Walsh was born on 12 June 1933 in Dukinfield.
When did Dennis Walsh die?
Dennis Walsh died on 1 June 2005.
What was Dennis Walsh's occupation?
Dennis Walsh was an astronomer.
What nationality was Dennis Walsh?
Dennis Walsh was British.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Dennis Walsh. https://biography.guide/dennis-walsh-astronomer/
MLA: "Dennis Walsh." Biography.guide, https://biography.guide/dennis-walsh-astronomer/.
Chicago: "Dennis Walsh." Biography.guide. https://biography.guide/dennis-walsh-astronomer/.
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