Eusebius Mandyczewski (, ; 18 August 1857, in Molodiia – 13 August 1929, in Vienna) was a Romanian musicologist, composer, conductor, and teacher. He was an author of numerous musical works and is highly regarded within Austrian, Romanian and Ukrainian music circles. Personal life Eusebius Mandyczewski was born in the village of Bahrynivka (Ukrainian: Багринівка; Romanian: Bahrinești) (then Austria-Hungary; now Ukraine, Hlyboka Raion) on 18 August 1857. His father was a priest and his mother, Veronica, born Popovici, was the sister of Eusebiu Popovici, erudite professor of History at the University of Cernauti and the father of the Bucovinian poet Gheorghe Popovici (known under the pen name of T. Robeanu). His origin according to the father has Slavic affiliations; according to his mother the origin is Romanian. Eusebius had two brothers (Georgiy and Prof. Kostiantyn) and one sister (Kateryna). Kostiantyn was a secondary school teacher, member of the regional School Council and later Head of the Chernivtsi Library. Kateryna Mandychevs'ka was a school teacher. Georgiy was also a composer of choral music. He finished his secondary studies at the upper school of Chernivtsi and simultaneously studied music under Sydir Vorobkevych. He began studies at the University of Chernivtsi, then moved to the Vienna Conservatory in 1875 and studied music history under Eduard Hanslick, music theory under Martin Gustav Nottebohm and Robert Fuchs. Beginning in 1879, he became a close and lifelong friend of Johannes Brahms and a prominent member of the 'Brahms circle' (who aided Brahms in teaching Gustav Jenner). Johannes Brahms supported the young composer and appointed him as curator of his estate. In 1901, he married Albine von Vest, a Lieder singer and singing teacher. Career From 1879 to 1881, Mandyczewski was the conductor of the Vienna Singakademie. From 1887 to 1929, he was the archivist and librarian of the Gesellschaft der Musikfreunde. In 1892 he became director of the Gesellschaft der Musikfreunde orchestra. The decade from 1887 to 1897 saw the appearance of Mandyczewski's work on the Schubert Gesamtausgabe. His name is particularly associated with the ten volumes of songs, which he edited meticulously, sometimes printing as many as three or four variants of individual songs; in recognition of his editorship he was awarded an honorary doctorate from the University of Leipzig in 1897. A gifted philologist as well as musician, he was widely respected both for his scholarship and for his generosity to inquiring scholars; Grove