Historical biography archive · Updated 2026-11-03

Andrew McKellar Biography and Timeline

Follow Andrew McKellar through 1 dated historical records for Canada.

Andrew McKellar, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
1941–1941Years on this page

1941

Cosmic Microwave Background

Astronomer · Dominion Astrophysical Observatory · Science / Astronomy

McKellar estimates a low interstellar temperature from cyanogen absorption, later recognised as related to the microwave background

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.