EntityQ86581· pop 8· linked from 10 articlesFrederick EcksteinSign in to saveAustrian polymath, theosophist and a friend and temporary co-worker of Sigmund Freud (1861-1939)ConnectionsSigmund FreudEntityPythagorasEntityRichard WagnerEntityInternational Standard Book NumberEntityvegetarianismEntityLower AustriaEntityFreemasonryConceptmysticismEntityAnton BrucknerEntityKnights TemplarEntityRudolf SteinerEntityjujutsuEntityHelena BlavatskyEntityoccultismEntityNeoplatonismEntityTheosophyEntitypolymathEntityhistory of AustriaEntityGustav MeyrinkEntityRudolf, Crown Prince of AustriaEntityCategories1861 births1939 deaths19th-century Austrian writers19th-century mysticsAustrian esotericistsAustrian JewsAustrian male writersAustrian TheosophistsBiography articles needing translation from German WikipediaPeople from Mödling DistrictSigmund Freud