27 August] 1882 – 29 September 1947) was a violinist, a member of a famous musical family, who made his career in Europe during the early 20th century.

[2] Jan studied first in London with August Wilhelmj and Émile Sauret in London, then in Frankfort-am-Main with Hikeerman, in Prague with Otakar Ševčík and in Brussels with Eugène Ysaÿe, who also gave instruction to his brother Boris.

In 1911 he co-founded the Hambourg Conservatory of Music with his father and his brother Boris.

Isabelle had previously lived with the novelist Willa Cather for 15 years.

[4] In 1934 Jan Hambourg was co-editor of a respected edition of Bach's solo partitas, with particular attention to the bowing.