Birthday: August 8, 1931 (Leo)

Born In: Colchester, England

(English Mathematician, Mathematical Physicist and Winner of the 2020 Nobel Prize for Physics)

Sir Roger Penrose is an English mathematical physicist, mathematician and philosopher of science, currently serving as the Emeritus Rouse Ball Professor of Mathematics at the University of Oxford, England. Slow in mathematics as a child, he not only overcame his difficulties with the help of his academically dazzling family, but quickly grew an interest in it, eventually earning his doctoral degree from the University of Cambridge in it. Thereafter, he began his academic career, holding temporary posts in various universities both in UK and USA until he joined Birkbeck College as a reader in mathematics. Shortly, he began to develop an interest in astrophysics and later on worked with Stephen Hawking to develop the ground-breaking **Penrose-Hawking singularity theorems**. That apart, he has also developed more than two dozen unique concepts, many of which are named after him. He is also the author of several books, the most popular among them being *The Emperor's New Mind*.

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British Celebrities Born In August

Also Known As: Sir Roger Penrose

Age: 91 Years, 91 Year Old Males

Spouse/Ex-: Vanessa Thomas, Joan Isabel Wedge

father: Lionel Penrose

mother: Margaret Leathes

siblings: Jonathan Penrose, Oliver Penrose, Shirley Hodgson

Born Country: England

More Facts

education: University College London, St John's College, Cambridge

awards: 1990 - Albert Einstein Medal

1988 - Wolf Prize in Physics

2008 - Copley Medal

1985 - Royal Medal

1966 - Adams Prize

1971 - Dannie Heineman Prize for Mathematical Physics

1975 - Eddington Medal

1989 - Dirac Medal of the Institute of Physics

2004 - De Morgan Medal

2006 - Dirac Medal for the Advancement of Theoretical Physics

1991 - Naylor Prize and Lectureship

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Sir Roger Penrose was born on 8 August 1931, in Colchester, a historic market town located in Essex, England. His father, Lionel Sharples Penrose, was a noted psychiatrist and a medical geneticist, who carried out groundbreaking work on the genetics of intellectual disability. His mother, Margaret Penrose, was a doctor.

He was born second of his parents’ four children. His elder brother, Oliver Penrose, is a noted theoretical physicist while his younger brother, Jonathan Penrose, is a psychologist and a Chess Grandmaster. His younger sister, Shirley Victoria Hodgson is a geneticist.

In 1939, the family traveled to Philadelphia, USA, possibly for a short visit; but decided to stay back because of the oncoming war. Eventually, they settled down in London, a city located in the southwestern Ontario, Canada, where Roger started attending school.

Although initially he showed little promise in mathematics, growing up in an intellectually lively family, he soon overcame his difficulties. His older brother, Oliver, who was very intelligent and way ahead at school, greatly helped him in this.

His father, who was Director of Psychiatric Research at Ontario Hospital, took great interest in mathematics, particularly geometry. His mother was also greatly interested in the subject.� Under their combined influence, Roger too became highly interested in mathematics.

Shortly after the Second World War ended in 1945, the family returned to England, where Roger was enrolled at the University College School (UCS Hampstead). There too, his interest in mathematics continued to grow, learning calculus from his father before it was taught at school.

When it was time to decide which subjects to study in the final two years, he chose mathematics over biology, a decision that did not go down well with his parents. They liked the subject, but only as an auxiliary and had planned a medical career for their second son.

After graduating from school, he entered University College London with mathematics. While studying there, he discovered a theorem on conic sections from which some basic theorems of projective geometry could be derived.

After graduating from University College London with a First Class B.Sc. degree in Mathematics, he enrolled at St. John’s College, University of Cambridge. Here, he started research work in mathematics under John A. Todd, eventually earning his PhD degree on his thesis, ‘tensor methods in algebraic geometry’ in 1958.

In 1954, he attended a conference in Amsterdam, where he came across an exhibition of Escher's work. Inspired by them, he worked with his father to design a staircase that simultaneously loops up and down. In 1955, he rediscovered what is now known as **Moore-Penrose Inverse**.

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In 1958, Roger Penrose began his career, holding number of temporary posts in various universities across UK and USA. Concurrently, he started publishing important papers like ‘The apparent shape of a relativistically moving sphere’ (1959), ‘A spinor approach to general relativity’ (1960) and 'Imbedding of manifolds in euclidean space' (1961).

In 1964, he was appointed a reader in applied mathematics at Birkbeck College at the University of London.� During this period, his attention was drawn to astrophysics and he started undertaking many groundbreaking works.

In 1965, he published **Penrose singularity theorem**, establishing that a singularity must occur in a gravitational collapse. In the following year, he was promoted to the post of full professor.

In 1969, he worked with Stephen Hawking to prove that all matter within a black hole collapses to a singularity; a geometric point in space where mass is compressed to infinite density and zero volume. It later became known as **Penrose-Hawking singularity theorems**.

In 1971, he discovered ‘spin network’ and defined it as a kind of diagram in which each line segment represents the world line of a "unit". Later the networks have been used to study skein modules and character varieties, which correspond to spaces of connections.

In 1973, he moved to Oxford University, where he held the Rouse-Ball Chair of Mathematics until his retirement in 1999.� Meanwhile in 1974, he made another of his famous discoveries, the **Penrose tiling**. Initially, it consisted of aperiodic set of six prototiles; but later he reduced the number to two.

After, retiring from regular service he became emeritus professor at the Mathematical Institute, University of Oxford, a position he continues to hold. He is also an emeritus fellow of Wadham College, Oxford and an honorary fellow of St John's College, Cambridge.

Concurrently with working at Birkbeck College, Roger Penrose held several part-time visiting positions, teaching at Yeshiva, Princeton and Cornell Universities in 1966-1967. From 1983 to1987, he taught at Rice University, Houston.

From 1988 to 1993, he was Distinguished Professor of Physics and Mathematics at Syracuse University. Thereafter, he became Francis and Helen Pentz Distinguished Visiting Professor of Physics and Mathematics at the Pennsylvania State University, USA.

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Roger Penrose is best known to the general public for his 1989 book, *The Emperor's New Mind: Concerning Computers, Minds and The Laws of Physics*, which hypothesizes that quantum mechanics plays an essential role in the understanding of human consciousness. In 1990, he received Royal Society Science Books Prize for it.

Roger Penrose has received several awards for his works. They include Adams Prize from Cambridge University, Dannie Heineman Prize from the American Physical Society, Naylor Prize of the London Mathematical Society, Dirac Medal and Prize of the British Institute of Physics, De Morgan Medal by the London Mathematical Society, Copley Medal etc.

Jointly with Stephen Hawking, he has also received the Wolf Foundation Prize for Physics, the Eddington Medal of the Royal Astronomical Society and the Royal Society Royal Medal.

He was elected a Fellow of the Royal Society of London and a Foreign Associate of the United States National Academy of Sciences. That apart, he has received honorary degree from several established universities across the globe.

Roger Penrose was knighted for his services to science in 1994 and received the Order of Merit in 2000.

In 1959, Roger Penrose married Joan Isabel Wedge, with whom he has three sons. Later he married Vanessa Thomas, director of Academic Development at Cokethorpe School, and has a son with her.

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