Who was John Dee? Everything You Need to Know

Quick Facts

British Celebrities Born In July

Died At Age: 81

Family:

Spouse/Ex-: Jane Dee (m. 1578–1604), Katherine Constable (m. 1565–1574)

father: Rowland Dee

mother: Johanna Wild

children: Arthur Dee, Margaret Dee

Born Country: England

Philosophers British Men

Died on: February 28, 1609

place of death: Mortlake, Surrey, England

City: London, England

More Facts

education: Catholic University of Leuven, University of Cambridge, St John's College; Cambridge, KU Leuven, Trinity College; Cambridge

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1

What was John Dee's primary area of expertise?

John Dee was primarily known as a mathematician, astronomer, astrologer, and occult philosopher.
2

What was the significance of John Dee's work for Queen Elizabeth I?

John Dee served as a trusted advisor to Queen Elizabeth I, providing counsel on matters of science, navigation, and astrology.
3

Did John Dee have any notable contributions to the field of mathematics?

Yes, John Dee is credited with introducing the concept of the "mathematical preface" in his book "The Elements of Geometry," which influenced the development of modern mathematical notation.
4

What was the "Enochian" language?

The "Enochian" language was a purported angelic language that John Dee and his associate Edward Kelley claimed to have communicated with during their occult experiments.
5

How did John Dee's interest in the occult impact his reputation during his lifetime?

John Dee's fascination with the occult, including practices such as scrying and alchemy, led to his reputation as a mysterious and enigmatic figure during his lifetime.

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Childhood & Early Life

John Dee was born on July 13, 1527, in London, to Rowland Dee and Johanna Wild. His father was a textile merchant.

From 1535 to 1542, he went to ‘Chelmsford Chantry School’. A child genius, he attended ‘University of Cambridge’ at age 15.

By 1546, he had graduated with a BA degree and enrolled as one of the first few students at the newly-founded Trinity College, Cambridge, where he quickly achieved popularity as a stage effects magician.

By the early 1550s, John Dee had studied at various European institutes and worked under mathematicians and cartographers. He brought back to England a collection of navigation, mathematical and astronomy instruments.

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Career

From 1553, John Dee was a rector at Upton-upon-Severn, England. In 1554, he was offered a mathematics readership position at ‘Oxford University’, but he turned it down since he was more interested in a position in the royal court.

In 1555, while he was a member of ‘Worshipful Company of Mercers’, he was arrested and charged for treason for calculating and casting horoscopes of Queen Mary and Princess Elizabeth, but managed to get exonerated.

In 1556, John Dee proposed the foundation of a national library to preserve historical records and manuscripts to Queen Mary, but she rejected it.

In 1558, after Elizabeth’s ascension to the throne, John Dee managed to gain her confidence as an advisor on important matters, including the privilege of choosing her coronation date.

From the late 1550s to 1570s, he was the queen’s advisor on expansion of the British Empire through maritime voyages and provided technical and navigational guidance for it.

Between 1564 and 1577, he wrote several books on mathematics, astrology and occult subjects.

By the early 1580s, John Dee’s influence in royal circles started to wane and he turned his attention towards the supernatural, trying to establish contact with spirits and angels by means of a scryer, a crystal gazer.

In 1582, John Dee met a medium, Edward Kelley, who claimed to be able to talk to angels and began to pursue the field in full zest.

In 1583, the queen asked for his advice on the revision of the Gregorian calendar, but his suggestions were rejected. He went to Poland that year with Kelley and began his nomadic life traveling through Europe, seeking audiences with monarchs, but they all spurned him on suspicions of espionage.

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In 1589, John Dee returned to England to find that the country was no longer an acceptable place to propagate occult or magical practices.

In 1595, he became a Warden of ‘Christ’s College, Manchester’ with the support of the queen, but his tenure there was largely unsuccessful.

In 1605, he left Manchester and returned to London, but was unable to get any support from James I, the successor of Queen Elizabeth.

Major Works

In 1564, John Dee wrote ‘Monas Hieroglyphica’, which explains a glyph of his own design, and other mystical and astrological topics.

In 1570, he wrote a mathematical preface for the English translation of Euclid’s ‘Elements’ by Henry Billingsley, that became his most popular work. He also wrote a manuscript ‘Brytannicae republicae synopsis’ that detailed the state of affairs of the Elizabethan era.

In 1577, he published ‘General and Rare Memorial pertayning to the Perfect Arte of Navigation’ justifying England’s claim on the New World.

Between 1582 and 1583, he wrote ‘On the Mystical Rule of the Seven Planets’ as a guidebook for summoning angels.

Family & Personal Life

In 1565, John Dee married Katherine Constable who died without bearing any children.

In 1575, he married an unknown woman, but she died after one year.

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In 1578, John Dee married 23-year-old Jane Fromond, a lady-in-waiting to a noblewoman.

In 1587, when Edward Kelley told him of an angelic order to share wives, John Dee reluctantly agreed.

In 1588, his son Theodore, rumored to have been fathered by Kelley, was born.

John Dee had seven other children: Michael, Arthur, Rowland, Katherine, Madinia, Frances and Margaret; but only three survived him.

John Dee spent his last years at his house in Mortlake, England, in abject poverty, and was looked after by his daughter, Katherine, until his death in 1609.

Facts About John Dee

John Dee was a renowned mathematician, astronomer, and advisor to Queen Elizabeth I, known for his contributions to navigation and cartography.

Dee was deeply interested in the occult and alchemy, leading to his reputation as a scholar of esoteric knowledge and mysticism.

He was one of the first to propose the idea of a British Empire and advocated for the exploration and colonization of the New World.

Dee's extensive library of books and manuscripts was one of the largest in England during his time, showcasing his dedication to learning and scholarship.

Dee's influence extended beyond his own time, inspiring later generations of scholars and occultists with his work and teachings.

John Dee Biography

You wanted to know

What was John Dee's primary area of expertise?

What was the significance of John Dee's work for Queen Elizabeth I?

Did John Dee have any notable contributions to the field of mathematics?

What was the "Enochian" language?

How did John Dee's interest in the occult impact his reputation during his lifetime?