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	[[File:Ehrenfried Pfeiffer.jpg\|thumb\|Ehrenfried Pfeiffer (1899-1961)]]		[[File:Ehrenfried Pfeiffer.jpg\|thumb\|Ehrenfried Pfeiffer (1899-1961)]]

	'''Ehrenfried Pfeiffer''' (* 19 February 1899 in Munich; † 30 November 1961 in Spring Valley, NY USA), was an [[Anthroposophy\|anthroposophically]] oriented chemist, biochemist and pioneer of [[biodynamic agriculture]]. The [[copper chloride crystallisation]] according to Pfeiffer and the method of the [[round filter chromatogram]] goes back to him.		'''Ehrenfried Pfeiffer''' (* 19 February 1899 in [[w:Munich\|Munich]]; † 30 November 1961 in [[w:Spring Valley\|Spring Valley]], NY USA), was an [[Anthroposophy\|anthroposophically]] oriented chemist, biochemist and pioneer of [[biodynamic agriculture]]. The [[copper chloride crystallisation]] according to Pfeiffer and the method of the [[round filter chromatogram]] goes back to him.

	== Life and work ==		== Life and work ==

	Pfeiffer grew up in Nuremberg. He studied chemistry in Basel and came into contact with anthroposophy there. At the age of 21 he installed lighting respectively stage lighting in the carpenter's workshop at the first Goetheanum, then in the Goetheanum itself, so that it was suitable for eurythmy performances (now on display in the Salzburg Museum for Stage Technology). He lit the eurythmy performances until Rudolf Steiner's death in 1925 and recorded many of the performance director's details on the use of light for posterity. At times he also became Steiner's driver.		Pfeiffer grew up in [[w:Nuremberg\|Nuremberg]]. He studied chemistry in [[w:Basel\|Basel]] and came into contact with anthroposophy there. At the age of 21 he installed lighting respectively stage lighting in the carpenter's workshop at the first [[Goetheanum]], then in the Goetheanum itself, so that it was suitable for eurythmy performances (now on display in the Salzburg Museum for Stage Technology). He lit the eurythmy performances until [[Rudolf Steiner]]'s death in 1925 and recorded many of the performance director's details on the use of light for posterity. At times he also became Steiner's driver.

	In 1925, together with Erica Sabarth, he developed the copper chloride crystallisation method, which is one of the image-creating ~~methods~~ of anthroposophy. On a cold winter's day he is said to have observed how the steam from a hot coffee cup and a hot tea cup at the window produced different ice crystals. With the method one can - if one has had long practice - prove to what degree food has vitality (by examining the images that the crystals form when they come together with plant juices or blood preparations). In 1938-40, Pfeiffer emigrated to the USA via France. In 1939, he received an honorary doctorate of medicine for his cancer research. In the USA, he developed a method for composting urban waste and conducted research in the field of organic farming~~. In Loverendale, Holland (USA) he~~ maintained a biodynamic model and research farm. In 1956 he became professor of biochemistry.		In 1925, together with Erica Sabarth, he developed the copper chloride crystallisation method, which is one of the [[image-creating method]]s of anthroposophy. On a cold winter's day he is said to have observed how the steam from a hot coffee cup and a hot tea cup at the window produced different ice crystals. With the method one can - if one has had long practice - prove to what degree food has vitality (by examining the images that the crystals form when they come together with plant juices or blood preparations). In 1938-40, Pfeiffer emigrated to the USA via France. In 1939, he received an honorary doctorate of medicine for his cancer research. In the USA, he developed a method for composting urban waste and conducted research in the field of organic farming and maintained a biodynamic model and research farm. In 1956 he became professor of biochemistry.

	== Publications ==		== Publications ==

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[[File:Ehrenfried Pfeiffer.jpg|thumb|Ehrenfried Pfeiffer (1899-1961)]]

'''Ehrenfried Pfeiffer''' (* 19 February 1899 in Munich; † 30 November 1961 in Spring Valley, NY USA), was an [[Anthroposophy|anthroposophically]] oriented chemist, biochemist and pioneer of [[biodynamic agriculture]]. The [[copper chloride crystallisation]] according to Pfeiffer and the method of the [[round filter chromatogram]] goes back to him.

== Life and work ==

Pfeiffer grew up in Nuremberg. He studied chemistry in Basel and came into contact with anthroposophy there. At the age of 21 he installed lighting respectively stage lighting in the carpenter's workshop at the first Goetheanum, then in the Goetheanum itself, so that it was suitable for eurythmy performances (now on display in the Salzburg Museum for Stage Technology). He lit the eurythmy performances until Rudolf Steiner's death in 1925 and recorded many of the performance director's details on the use of light for posterity. At times he also became Steiner's driver.

In 1925, together with Erica Sabarth, he developed the copper chloride crystallisation method, which is one of the image-creating methods of anthroposophy. On a cold winter's day he is said to have observed how the steam from a hot coffee cup and a hot tea cup at the window produced different ice crystals. With the method one can - if one has had long practice - prove to what degree food has vitality (by examining the images that the crystals form when they come together with plant juices or blood preparations). In 1938-40, Pfeiffer emigrated to the USA via France. In 1939, he received an honorary doctorate of medicine for his cancer research. In the USA, he developed a method for composting urban waste and conducted research in the field of organic farming. In Loverendale, Holland (USA) he maintained a biodynamic model and research farm. In 1956 he became professor of biochemistry.

== Publications ==

===Biodynamics in farming and gardening===
* Ehrenfried Pfeiffer: ''Soil Fertility, Renewal and Preservation: Bio-dynamic farming and gardening'', Asiatic Publishing House, 2006. ISBN 81-87067-73-X.
* Ehrenfried Pfeiffer: ''Bio-Dynamic Gardening and Farming: Articles'', Mercury Press, 1983-1984. ISBN 0-936132-67-1.
* Ehrenfried Pfeiffer: ''Using the Bio-Dynamic Compost Preparations & Sprays in Garden, Orchard & Farm'', [[Biodynamic Farming & Gardening Association]], 1984. ISBN 0-938250-26-4.
* Ehrenfried Pfeiffer and Erika Riese, ''Grow a Garden and Be Self-Sufficient'', Mercury Press, 1981. ISBN 0-936132-37-X.
* Ehrenfried Pfeiffer: ''Bio-Dynamics: Three Introductory Articles'', Charter, 1999. {{ASIN|B000PIZ250}}.
* Ehrenfried Pfeiffer: ''The biodynamic treatment of fruit trees, berries and shrubs'', [[Biodynamic Farming & Gardening Association]], 1976.
* Ehrenfried Pfeiffer: ''Weeds and What They Tell'', [[Biodynamic Farming & Gardening Association]], 1981. {{ASIN|B00071HRSU}}.
* Ehrenfried Pfeiffer: ''The Earth's Face: Landscape and its relation to the health of the soil'', Faber and Faber, 1947. {{ASIN|B0007IXST0}}.
* Ehrenfried Pfeiffer: ''Practical guide to the use of the bio-dynamic preparations'', Rudolf Steiner Publishing, 1945. {{ASIN|B0007K8FAU}}.
* Ehrenfried Pfeiffer: ''The fair garden plot: Concise guidance for growing one's own vegetables'', Rudolf Steiner Publishing, 1945. {{ASIN|B0007KD2GC}}.

===Chromatography===
* Ehrenfried Pfeiffer: ''Chromatography applied to quality testing'', [[Biodynamic Farming & Gardening Association]], 1984.
* Ehrenfried Pfeiffer: ''Sensitive crystallization processes: A demonstration of formative forces in the blood'', Anthroposophic Press, 1975. {{ASIN|B00073467S.

===Composting===
* Ehrenfried Pfeiffer: ''The art and science of composting: Observations and testing methods: the chromatographic method'', [[Biodynamic Farming & Gardening Association]], 1959. {{ASIN|B0007HK7MC}}.
* Ehrenfried Pfeiffer: ''The compost manufacturers manual: The practice of large scale composting'', Pfeiffer Foundation, 1956. {{ASIN|B0007G1MWC}}.

===Other topics===
* Ehrenfried Pfeiffer: ''Heart lectures: Three lectures'', Mercury Press, 1982. ISBN 0-936132-49-3.
* Ehrenfried Pfeiffer: ''The Chymical Wedding of Christian Rosenkreutz: A commentary'', Mercury Press, 1984. ISBN 0-936132-16-7.
* Ehrenfried Pfeiffer: ''Zarathustrian Way'', St. George Book Service, 1982. ISBN 0-936132-45-0.
* Ehrenfried Pfeiffer: ''On Rudolf Steiner's Mystery Dramas, Four Lectures Given in Spring Valley, 1948''. Mercury Press, ISBN 0-936132-93-0.
=== German ===
* Ehrenfried Pfeiffer: Erika Riese: ''Der erfreuliche Pflanzgarten'', Vlg. am Goetheanum, Dornach 1994
* Ehrenfried Pfeiffer: ''Die Fruchtbarkeit der Erde. Ihre Erhaltung und Erneuerung'', Vlg. am Goetheanum, Dornach 1977
* Ehrenfried Pfeiffer: ''Empfindliche Kristallisationsvorgänge als Nachweis von Formungskräften im Blut''. Dresden 1935
* Ehrenfried Pfeiffer: ''Ein Leben für den Geist'', Perseus Vlg., Basel 2003, ISBN 3-907564-31-6

==Weblinks==

* {{Biography|521|Herbert H. Koepf|Pfeiffer, Ehrenfried}}
* [http://www.pfeiffercenter.org/ The Pfeiffer Center] - Biodynamics – Education – Agriculture

[[Category:Anthroposophist]]
[[Category:Chemist]]
[[Category:Biochemist]]
{{Wikipedia}}

Ehrenfried Pfeiffer - Revision history

Odyssee at 06:54, 30 July 2021

Odyssee: Created page with "Ehrenfried Pfeiffer (1899-1961) '''Ehrenfried Pfeiffer''' (* 19 February 1899 in Munich; † 30 November 1961 in Spring Valley, NY USA)..."