 First Adele Astaire, and later Marlene Dietrich, Paulette Goddard, Gloria Swanson, and, most famously, Greta Garbo all sought his advice and guidance.Also among those seeking his counsel in later years were Queen Alexandra of Yugoslavia, Baron Philippe de Rothschild, Grace Kelly, Ingrid Bergman, Jeanne Moreau, and the Duchess of Windsor.A tireless promoter, Hauser began his prolific writing career in 1930 with "Harmonized Food Selection, with the Famous Hauser Body-Building System," and continued through his final revision of "Gaylord Hauser's New Treasury of Secrets" in 1974.