理查德H.皮特凱恩博士（Richard H. Pitcairn），1965年畢業於加州大學獸醫學院，華盛頓州立大學獸醫學博士，主要進行病毒、免疫學和生物化學的研究。20世紀80年代皮特凱恩博士投入從醫實踐，開創瞭利用順勢療法治療寵物的方法，並獲得獸醫執業資格，長期在俄勒岡州尤金市開設提供整體動物護理的診所。

自1992年以來，皮特凱恩博士提供瞭獸醫順勢療法專業課程，到目前為止，已有超過500名動物醫生接受瞭這種培訓。他所著的《貓狗自然養育聖經》因提倡寵物整體保健運動、倡導更加自然的寵物護理方法，一直受到熱衷健康養寵的人士的喜愛。

"Over 400,000 copies of this treasured classic have been sold since its original publication more than 20 years ago" The book that is the definitive guide to a natural lifestyle for dogs and cats is now completely updated and revised--for the first time in 9 years. Writing with the warmth and compassion that have won them a national following, veterinarian Richard H. Pitcairn and his wife Susan Hubble Pitcairn, noted specialists in chemical-free nutrition and natural healing for pets, show dog and cat owners how to provide the very best in companionship and lifelong care. They now cover environmental matters, including pollutants both inside the home and out, as well as recent hot-button topics, such as Mad Cow disease, Lyme disease, and the West Nile virus. They've updated dozens of recipes for delicious and healthful pet food and treats. With a guide to handling emergencies and an in-depth "Quick Reference" section, they give specific instructions for preventing, diagnosing, and treating a wide range of animal diseases and disorders-with special attention to homeopathic, herbal, and nutritional remedies.