Career
lieutenant was through Andries that Johanna and Theo metropolitan He also knew Vincent van Gogh who called him André in letters. He mentioned that Van Gogh was not very strong, and so this was a very melancholy circumstance.
In several letters over the remainder of the year, Bonger comments on a growing appreciation for and friendship with Theo.
Vincent van Gogh arrived in Paris in 1886 which meant that Bonger saw less of Theo. Theo met Bonger"s parents during a visit to the Netherlands about August, 1886.
Bonger went into the insurance business later in Amsterdam. His collection also included works by Van Gogh, Paul Cézanne and Émile Bernard, whom he knew well.
He is buried at Zorgvlied cemetery.