The Citron Compendium: The Citron (Etrog) Citrus Medica L.: Science and Tradition

Eliezer E. Goldschmidt (born 1938, Jerusalem) is a James De Rothschild Professor of Horticulture, emeritus, at the Hebrew University of Jerusalem. He earned his Ph.D. in 1968 and has been a professor since 1982. His research has focused on horticultural productivity with an emphasis on citrus. Prof. Goldschmidt is primarily known for his research on citron history and genetics. He developed a synthetic auxin treatment which is instrumental for the maintenance of a persistent style of; a feature which is highly significant in determining the halachic status of etrog citrons for their use in the feast of Tabernacles.

Moshe Bar-Joseph ( born 1939, Romania), founder and former Head of the S. Tolkowsky Laboratory for Citrus Disease Research at the Volcani Institute, ARO; Retired adjunct Professor of Plant Virology, Ben-Gurion University, Beer Sheva, Israel. He earned his Ph.D. in 1972. Moshe Bar-Joseph is a world-renowned citrus pathologist specializing in plant virology and experienced in citron propagation for viroid diagnosis. He conducted seminal investigations of the Citrus Tristeza Virus (CTV) disease and its spread in Israeli citrus orchards.

Eliezer E. Goldschmidt（生於1938年，耶路撒冷）是耶路撒冷希伯來大學的詹姆斯·德·羅斯柴爾德園藝學教授（榮譽退休）。他於1968年獲得博士學位，自1982年以來一直擔任教授。他的研究專注於園藝生產力，特別是柑橘類的研究。Goldschmidt教授主要以其對香檳檸檬的歷史和遺傳學研究而聞名。他開發了一種合成生長素處理，對於維持持久的花柱具有重要作用；這一特徵在確定香檳檸檬在住棚節使用時的猶太法律地位上具有高度重要性。

Moshe Bar-Joseph（生於1939年，羅馬尼亞）是以色列Volcani研究所S. Tolkowsky柑橘病害研究實驗室的創始人及前負責人；他是本·古里安大學（以色列比爾謝巴）的退休植物病毒學兼任教授。他於1972年獲得博士學位。Moshe Bar-Joseph是一位世界知名的柑橘病理學家，專注於植物病毒學，並在香檳檸檬的病毒診斷繁殖方面具有豐富經驗。他對柑橘萎縮病毒（CTV）疾病及其在以色列柑橘園中的傳播進行了開創性的研究。