Leo Esaki's Birth Card: The Jack of Diamonds

In the record

Leo Esaki (born March 12, 1925) is a Japanese physicist who shared the 1973 Nobel Prize in Physics with Ivar Giaever and Brian Josephson for his work on tunneling in semiconductors, which led to his invention of the tunnel diode that exploits this phenomenon. The birth-card coordinate for March 12 is the Jack of Diamonds — a calendar position, not a forecast of the 1973 Physics prize.

Nobel Prize record

• 1973 The Nobel Prize in Physics — for their experimental discoveries regarding tunneling phenomena in semiconductors and superconductors, respectively

The Jack of Diamonds coordinate

Leo Esaki's birthday maps to the Jack of Diamonds (The Successful Messenger). 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 Leo Esaki. The card's own language, quoted as system copy rather than biography: You try a new approach to value and you finish enough of it to know if it works.

Live Jack of Diamonds meaning page

Leo Esaki in the public record

His research was done when he was with Sony. He has also contributed in being a pioneer of semiconductor superlattices. Since the death of Yoichiro Nambu in 2015, Esaki is currently the oldest Japanese Nobel laureate. Leo Esaki was born on March 12, 1925, in Osaka, Japan. Esaki studied physics at Tokyo Imperial University (now the University of Tokyo), where he received his B.S. in 1947, and his Ph.D. in 1959. After graduating in 1947, he joined the Kobe Kogyo Corporation, before becoming chief physicist at Tokyo Tsushin Kogyo (now Sony) in 1956. In 1960, Esaki moved to the United States to join the Thomas J. Watson Research Center of IBM, where he was appointed an IBM Fellow in 1967.

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

Where the record meets the Jack 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 Leo Esaki, and not a forecast of a Nobel Prize.

Ability to inspire intellectual breakthroughs

Leo Esaki (born March 12, 1925) is a Japanese physicist who shared the 1973 Nobel Prize in Physics with Ivar Giaever and Brian Josephson for his work on tunneling in semiconductors, which led to his invention of the tunnel diode that exploits this phenomenon.

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

Also on the record

1. In 1992, he returned to Japan, where he subsequently served as President of the University of Tsukuba until 1998.
2. In 1957, Esaki recognized that when the p–n junction width of germanium is thinned, the current–voltage characteristic is dominated by the influence of the tunnel effect.
3. As a result, he discovered that as the voltage is increased, the current decreases inversely, indicating negative resistance.
4. This discovery was the first demonstration of solid tunneling effects in physics, and it was the birth of the first quantum electronic device, the tunnel diode.

Other laureates with this card

• André Lwoff — 1965 Physiology or Medicine
• Bernardo Houssay — 1947 Physiology or Medicine
• C.T.R. Wilson — 1927 Physics
• Edwin G. Krebs — 1992 Physiology or Medicine
• Eugene F. Fama — 2013 Economic Sciences
• Ferdinand Braun — 1909 Physics
• Friedrich von Hayek — 1974 Economic Sciences
• Gerard Debreu — 1983 Economic Sciences
• H. Robert Horvitz — 2002 Physiology or Medicine
• Heinrich Rohrer — 1986 Physics
• Henry Dunant — 1901 Peace
• Herbert A. Hauptman — 1985 Chemistry
• 8 more laureates share this card.

FAQ

What is Leo Esaki's birth card?

The Jack of Diamonds. March 12 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 Leo Esaki's dates come from?

Birth date 1925-03-12 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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