Biography.guide
Home › People › Engineer › Ralph Beebe Blackman
Portrait of Ralph Beebe Blackman

Ralph Beebe Blackman

1904 – 1990

American mathematician

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Ralph Beebe Blackman

Lived 1904 – 1990 (aged 85). Ralph Beebe Blackman was an engineer and mathematician, known for Blackman's theorem.

Ralph Beebe Blackman (August 29, 1904 – May 24, 1990) was an American mathematician and engineer who was among the pioneers of the Information Age along with Claude E. Shannon, Hendrik Wade Bode, and John Tukey.

Blackman graduated from the California Institute of Technology in 1926 and started work at Bell Laboratories the same year. His early research were in the fields of hearing, acoustics and mechanical filters. Later he focused on applied mathematics, specifically linear networks and feedback amplifiers. Starting in 1940, Blackman worked on data smoothing for anti-aircraft fire control systems.

In 1963 Blackman was elected an IEEE Fellow.

Books

Patents

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Birth century
Known for
Blackman's theorem
Education
California Institute of Technology, Bell Laboratories, Caltech
Employers
Bell Labs
Awards
IEEE Fellow
Also known as
R. B. Blackman

People in Ralph Beebe Blackman's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Ralph Beebe Blackman's

Frequently asked questions

Who was Ralph Beebe Blackman?

American mathematician (1904-1990)

When was Ralph Beebe Blackman born?

Ralph Beebe Blackman was born on 29 August 1904.

When did Ralph Beebe Blackman die?

Ralph Beebe Blackman died on 24 May 1990.

What was Ralph Beebe Blackman's occupation?

Ralph Beebe Blackman was an engineer and mathematician.

What was Ralph Beebe Blackman known for?

Ralph Beebe Blackman was known for Blackman's theorem.

Sources & further reading

· Wikipedia: Ralph Beebe Blackman

· Wikidata: Q7287233

· DBpedia: Ralph Beebe Blackman

Cite this page

APA: Biography.guide. (2026). Ralph Beebe Blackman. https://biography.guide/ralph-beebe-blackman/

MLA: "Ralph Beebe Blackman." Biography.guide, https://biography.guide/ralph-beebe-blackman/.

Chicago: "Ralph Beebe Blackman." Biography.guide. https://biography.guide/ralph-beebe-blackman/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:24 UTC