John Macleod's Birth Card: The 5 of Diamonds

In the record

John James Rickard Macleod (6 September 1876 – 16 March 1935), was a Scottish biochemist and physiologist. The birth-card coordinate for September 6 is the 5 of Diamonds — a calendar position, not a forecast of the 1923 Physiology or Medicine prize.

Nobel Prize record

• 1923 The Nobel Prize in Physiology or Medicine — for the discovery of insulin

The 5 of Diamonds coordinate

John Macleod's birthday maps to the 5 of Diamonds (The Dynamic Entrepreneur). Card Blueprints treats that as a 365-day coordinate: solar value = 55 − (2 × month + day), and the year is unused. It is not a prediction about a Nobel Prize and not a verdict on John Macleod. The card's own language, quoted as system copy rather than biography: You adjust the resource plan when the ground moves, without pretending nothing changed.

Live 5 of Diamonds meaning page

John Macleod in the public record

He devoted his career to diverse topics in physiology and biochemistry, but was chiefly interested in carbohydrate metabolism. He is noted for his role in the discovery and isolation of insulin during his tenure as a lecturer at the University of Toronto, for which he and Frederick Banting received the 1923 Nobel prize in Physiology or Medicine. Awarding the prize to Macleod was controversial at the time, because according to Banting's version of events, Macleod's role in the discovery was negligible. It was not until decades after the events that an independent review acknowledged a far greater role than was attributed to him at first. Macleod was born in Clunie, near Dunkeld in Perthshire. Soon after he was born, his father Robert Macleod, a minister of the Free Church, was transferred to Aberdeen, where John attended Aberdeen Grammar School and enrolled in the study of medicine at the University of Aberdeen. At the University of Aberdeen, one of MacLeod's principal teachers was the young professor John Alexander MacWilliam. He was awarded his medical degree with honours in 1898 and then spent a year studying biochemistry at the University of Leipzig, Germany, on a travelling scholarship.

Summarised from the lead section of the Wikipedia article John Macleod (physiologist) (CC BY-SA 4.0). No biographical facts were written for this page beyond that article.

Where the record meets the 3 of Clubs

A card is a calendar coordinate, not a cause. What follows sets one line of the card's own published language beside one sentence of the sourced record, paired by a documented rule. It is a resemblance offered for the reader to weigh — not a claim about John Macleod, and not a forecast of a Nobel Prize.

Ability to articulate complex ideas clearly

He is noted for his role in the discovery and isolation of insulin during his tenure as a lecturer at the University of Toronto, for which he and Frederick Banting received the 1923 Nobel prize in Physiology or Medicine.

Paired on the mind and communication — the domain ♣ governs in this system. Markers in the record: lecturer.

Also on the record

1. He became a demonstrator at the London Hospital Medical School, where in 1902 he was appointed lecturer in biochemistry.
2. In the same year, he was awarded a doctorate in public health from Cambridge University.
3. Around that time he published his first research article, a paper on phosphorus content in muscles.
4. In 1903, Macleod became a lecturer in physiology at the Western Reserve University in Cleveland, Ohio, where he remained for 15 years.

Other laureates with this card

• Alan Heeger — 2000 Chemistry
• Alice Munro — 2013 Literature
• Anatole France — 1921 Literature
• Bert Sakmann — 1991 Physiology or Medicine
• Christopher A. Pissarides — 2010 Economic Sciences
• Claudia Goldin — 2023 Economic Sciences
• Edward V. Appleton — 1947 Physics
• Ernest Lawrence — 1939 Physics
• F.W. de Klerk — 1993 Peace
• Fritz Lipmann — 1953 Physiology or Medicine
• George F. Smoot — 2006 Physics
• Jane Addams — 1931 Peace
• 16 more laureates share this card.

FAQ

What is John Macleod's birth card?

The 5 of Diamonds. September 6 maps to that card through the public Card Blueprints formula. The year of birth is not used.

Does a birth card predict a Nobel Prize?

No. These pages are coordinates, not fortune-telling. A birth card names a calendar day in a 52-card year. It does not forecast prizes, character, or fate.

Where do John Macleod's dates come from?

Birth date 1876-09-06 is the Nobel Prize API v2.1 day-precision date, verified against Wikidata P569 (CC0, day precision, Gregorian preferred). The two sources match. Year-only Nobel dates and Nobel↔Wikidata conflicts are dropped, not guessed. Page hooks and evidence come from the Wikipedia REST summary (CC BY-SA 4.0).

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