# A Modern Quest for the Spirit by Ehrenfried Pfeiffer

This biographical sketch contains Pfeiffer's autobiographical memoirs, articles on etheric research and nutrition, the etherization of the blood, and the function of the heart.  
  
Excerpts from his letters are also included.

## Details

- **Price:** 28.0 USD
- **Vendor:** The Josephine Porter Institute
- **Type:** Dr. Ehrenfried Pfeiffer
- **Tags:** Dr. Ehrenfried Pfeiffer, Dr. Rudolf Steiner  ; Spiritual Science, farming, gardening, Goethean Science and Research, New in Stock!, orchard, Philosophy of the Natural World, Spirit

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 28.00 USD | In stock |

## Images

- A Modern Quest for the Spirit by Ehrenfried Pfeiffer

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> Source: [The Josephine Porter Institute](https://www.jpibiodynamics.org/products/modern-quest-spirit-ehrenfried-pfeiffer)
> Updated: 2026-09-01