Tjalling Charles KoopmansBirth Chart
Tjalling Koopmans
28/08/1910 00:15
AA - Birth record in hand
Kortenhoef
Netherlands
52°15' ↑ North - 5°07' → East
00:20 East
Sun Moon Asc
Photo: Reproduction
Tjalling Charles Koopmans was a Dutch economist whose background in mathematics and physics guided fundamental contributions to mathematical economics, econometrics, and the theory of resource allocation. After earning his doctorate in 1936, he moved to the United States in 1940 and joined research bodies focused on transport economics and, later, the Cowles Commission, where he led work on optimal routing, productive efficiency and activity analysis.
His research combined rigorous mathematical tools with economic analysis; studies such as his 1942 paper on serial correlation influenced later statistical methods and the development of econometric tests. Koopmans also investigated problems of economic growth and production theory, collaborating with figures like Gérard Debreu on optimization questions and quasiconvex functions.
For his achievements in the theory of efficient resource use and the analysis of productive activity, he received the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel in 1975, jointly with Leonid Kantorovich. His legacy endures at the interface of mathematics and economics, affecting allocation theory, econometrics and applications in planning and optimization.
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↣ Sun in Virgo - 03°48' - in house 4
↣ Moon in Gemini - 08°55' - in house 12
↣ Mercury in Libra - 00°47' - in house 4/5
↣ Venus in Leo - 10°39' - in house 2/3
↣ Mars in Virgo - 13°56' - in house 4
↣ Jupiter in Libra - 14°05' - in house 5
↣ Saturn in Taurus - 06°31' - in house 11 - retrograde
↣ Uranus in Capricorn - 21°45' - in house 7/8 - retrograde
↣ Neptune in Cancer - 20°40' - in house 1
↣ Pluto in Gemini - 27°46' - in house 1
↣ North Node in Taurus - 22°47' - in house 12 - retrograde
↣ Ascendant in Cancer - 11°23' - in house 1
↣ Midheaven in Pisces - 07°30' - in house 10
↣ Equatorial Ascendant in Gemini - 10°47'
↣ Sun in house 4
↣ Moon in house 12
↣ Mercury in house 4/5
↣ Venus in house 2/3
↣ Mars in house 4
↣ Jupiter in house 5
↣ Saturn in house 11
↣ Uranus in house 7/8
↣ Neptune in house 1
↣ Pluto in house 1
↣ North Node in house 12
↣ Ascendant in house 1
↣ Midheaven in house 10
↣ Sun and Moon square (5°06' separating)
↣ Sun and Mars conjunction (10°08' applying)
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↣ Sun and Midheaven opposition (3°42' separating) antiparallel
↣ Moon and Venus sextile (1°45' applying)
↣ Moon and Mars square (5°01' applying)
↣ Moon and Jupiter trine (5°11' applying)
↣ Moon and Uranus antiparallel
↣ Moon and Equatorial Ascendant conjunction (1°53' separating)
↣ Moon and Ascendant parallel
↣ Moon and Midheaven square (1°24' applying)
↣ Mercury and Pluto square (3°01' separating)
↣ Venus and Jupiter sextile (3°26' applying)
↣ Venus and Saturn square (4°08' separating)
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↣ Venus and Equatorial Ascendant sextile (0°08' separating)
↣ Mars and Equatorial Ascendant square (3°09' applying)
↣ Mars and Ascendant sextile (2°33' applying)
↣ Mars and Midheaven opposition (6°25' applying)
↣ Jupiter and Equatorial Ascendant trine (3°18' applying)
↣ Jupiter and Ascendant square (2°42' applying)
↣ Saturn and Ascendant sextile (4°52' separating)
↣ Saturn and Midheaven sextile (0°59' separating)
↣ Uranus and Neptune opposition (1°05' applying) antiparallel
↣ Uranus and North Node trine (1°03' separating)
↣ Uranus and Ascendant antiparallel
↣ Neptune and North Node sextile (2°08' applying)
↣ Neptune and Ascendant conjunction (9°17' applying)