27 December 1884] – 24 November 1954) was a Russian Canadian cellist and music educator who settled in Toronto, Ontario, and made his career in the United States, Canada, England and Europe.

[5] Boris began his studies in 1892, and after devoting some time to piano, decided to specialize in the cello.

He studied at the Hoch Conservatory in Frankfort-am-Main from 1898 to 1903, taking lessons from Herbert Walenn and later from Hugo Becker.

[6] In 1903 Hambourg made a concert tour of Australia and New Zealand, and in 1904 he took part in the first Tchaikovsky Festival in Germany, held at Pyrmont.

[8] He performed with his family trio, and appeared as a soloist in many different places before settling in Toronto, where he took part in founding the Hambourg Conservatory of Music in Wellesley Street (a private school which closed in 1951), and became its director.