Johanna Gezina van Gogh-Bonger was a multilingual Dutch editor who translated the hundreds of letters of her first husband, art dealer Theo van Gogh, and Vincent van Gogh.

Theodorus van Gogh was a Dutch art dealer and the younger brother of Vincent van Gogh. Known as Theo, his support of his older brother's artistic ambitions and well being allowed Vincent to devote himself entirely to painting. As an art dealer, Theo van Gogh played a crucial role in introducing contemporary French art to the public.