Ehrenfried Pfeiffer

Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner.wikipedia
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Betteshanger

BetshangerBetteshanger Summer School and Conference
The following year, and just months before the outbreak of World War II, Pfeiffer ran Britain's first biodynamics conference, the Betteshanger Summer School and Conference, at the estate of Lord Northbourne in Kent.
Ehrenfried Pfeiffer travelled from Switzerland to be the lead presenter at the summer school which was held at the farm of Lord Northbourne.

Biodynamic Farming & Gardening Association

As a result, Pfeiffer was invited to the U.S. in 1937 to work at the Hahnemann Medical College in Philadelphia While in the U.S., he continued to consult with those interested in biodynamic farming and helped to form the Biodynamic Farming & Gardening Association in 1938.
The Association was formed in 1938 in New York state with the support of Ehrenfried Pfeiffer, a disciple of Rudolf Steiner, when he immigrated to the U.S. It is organized as a 501(c)(3) non-profit organization.

Silent Spring

The Silent Springbook of the same title
Pfeiffer wrote on the dangers of pesticides and DDT and Rachel Carson consulted with him when she was writing Silent Spring.
In Silent Spring, Carson relied on evidence from two New York state organic farmers, Marjorie Spock and Mary Richards, and that of biodynamic farming advocate Ehrenfried Pfeiffer in developing her case against DDT.

Biodynamic agriculture

biodynamicbiodynamic farmingBiodynamics
Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner. He became manager and director of the 800 acre experimental biodynamic Loverendale farm in Domburg in the Netherlands.
In 1938, Ehrenfried Pfeiffer's text, Bio-Dynamic Farming and Gardening, was published in five languages – English, Dutch, Italian, French, and German; this became the standard work in the field for several decades.

Munich

Munich, GermanyMünchenMunich, West Germany
Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner.

Spring Valley, New York

Spring ValleySpring Valley, NYRockland
Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner. Pfeiffer first visited the U.S. in 1933 to lecture to a group of anthroposophists at the Threefold Farm in Spring Valley, New York on biodynamic farming.

Rudolf Steiner

SteinerDr. Rudolf SteinerSteiner, Rudolf
Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner. Ehrenfried Pfeiffer began work with Rudolf Steiner in 1920 to develop and install special diffuse stage lighting for eurythmy performances on the stage of the first Goetheanum.

Eurythmy

eurythmisteurhythmyEurythmics
Ehrenfried Pfeiffer began work with Rudolf Steiner in 1920 to develop and install special diffuse stage lighting for eurythmy performances on the stage of the first Goetheanum.

Goetheanum

first GoetheanumAnthroposophical SocietySecond Goetheanum
Ehrenfried Pfeiffer began work with Rudolf Steiner in 1920 to develop and install special diffuse stage lighting for eurythmy performances on the stage of the first Goetheanum. After Steiner's death in 1925, Pfeiffer worked in the private research laboratory at the Goetheanum in Dornach, (Switzerland).

Dornach

Dornach, SwitzerlandDornach SO
After Steiner's death in 1925, Pfeiffer worked in the private research laboratory at the Goetheanum in Dornach, (Switzerland).

Domburg

He became manager and director of the 800 acre experimental biodynamic Loverendale farm in Domburg in the Netherlands.

World War II

Second World WarwarWWII
The following year, and just months before the outbreak of World War II, Pfeiffer ran Britain's first biodynamics conference, the Betteshanger Summer School and Conference, at the estate of Lord Northbourne in Kent.

Baron Northbourne

Lord NorthbourneWalter James JamesWalter John James, 3rd Baron Northbourne
The following year, and just months before the outbreak of World War II, Pfeiffer ran Britain's first biodynamics conference, the Betteshanger Summer School and Conference, at the estate of Lord Northbourne in Kent.

Kent

Kent, EnglandCounty of KentCounty Kent
The following year, and just months before the outbreak of World War II, Pfeiffer ran Britain's first biodynamics conference, the Betteshanger Summer School and Conference, at the estate of Lord Northbourne in Kent.

Anthroposophy

anthroposophistanthroposophicalanthroposophic
Ehrenfried Pfeiffer (19 February 1899 in Munich, Germany – 30 November 1961 in Spring Valley, New York, United States) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner. Pfeiffer first visited the U.S. in 1933 to lecture to a group of anthroposophists at the Threefold Farm in Spring Valley, New York on biodynamic farming.

New York (state)

New YorkNew York StateNY
Pfeiffer first visited the U.S. in 1933 to lecture to a group of anthroposophists at the Threefold Farm in Spring Valley, New York on biodynamic farming.

Drexel University College of Medicine

Hahnemann Medical CollegeMedical College of PennsylvaniaHahnemann University
As a result, Pfeiffer was invited to the U.S. in 1937 to work at the Hahnemann Medical College in Philadelphia While in the U.S., he continued to consult with those interested in biodynamic farming and helped to form the Biodynamic Farming & Gardening Association in 1938. His copper chloride sensitive crystallization theory brought him an honorary degree of Doctor of Medicine from Hahnemann Medical College and Hospital in Philadelphia in 1939.

Philadelphia

Philadelphia, PennsylvaniaPhiladelphia, PACity of Philadelphia
His copper chloride sensitive crystallization theory brought him an honorary degree of Doctor of Medicine from Hahnemann Medical College and Hospital in Philadelphia in 1939.

Chemistry

chemistchemicalApplied Chemistry
He studied chemistry and became a professor of nutrition in 1956.

Nutrition

nutrition sciencenutritionalnutritional science
He studied chemistry and became a professor of nutrition in 1956.

DDT

dichlorodiphenyltrichloroethaneClofenotane1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane
Pfeiffer wrote on the dangers of pesticides and DDT and Rachel Carson consulted with him when she was writing Silent Spring.

Rachel Carson

CarsonCarson, RachelRachael Carson
Pfeiffer wrote on the dangers of pesticides and DDT and Rachel Carson consulted with him when she was writing Silent Spring.

Compost

compostingcompostablecomposted
He is most widely known for his innovative work in composting.

Oakland, California

OaklandOakland, CACity of Oakland
For many years Pfeiffer served as a compost consultant to municipal compost facilities, most notably Oakland, California, as well as countries in the Caribbean, Europe, and the Far East.

California

CAState of CaliforniaCalifornia, USA
For many years Pfeiffer served as a compost consultant to municipal compost facilities, most notably Oakland, California, as well as countries in the Caribbean, Europe, and the Far East.