Georges Lemaître: The Priest Who Corrected Einstein and Discovered the Big Bang
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Show Notes
In this episode of pplpod, we explore the life of Georges Lemaître, a Belgian Catholic priest and theoretical physicist who changed our understanding of the cosmos. While Edwin Hubble often gets the credit, it was actually Lemaître who first argued that the recession of galaxies provided evidence of an expanding universe. We dive into his groundbreaking "hypothesis of the primeval atom"—now famously known as the Big Bang theory—and how he derived the relevant laws of expansion years before Hubble published his findings.
Join us as we discuss:
- The "Abominable" Physics: How Albert Einstein initially dismissed Lemaître’s work as having "abominable" physics, only to later applaud it as the "most beautiful and satisfactory explanation of creation" he had ever heard.
- The Soldier and the Scholar: Lemaître’s journey from an artilleryman in World War I, where he received the Belgian War Cross, to a professor at the Catholic University of Louvain.
- Science vs. Faith: Why Lemaître, a devout priest, strongly opposed "concordism" (mixing science and the Bible) and even convinced Pope Pius XII to stop using the Big Bang theory as proof of the Christian doctrine of creation.
- A Legacy Reclaimed: The International Astronomical Union's 2018 vote to rename the fundamental law of expansion to the "Hubble–Lemaître law" to honor his contributions.
Tune in to meet the man who proved that the universe had a beginning, all while wearing a clerical collar.