Der Spiegel article about Professor Harry Prosen and Brian the bonobo

Der Spiegel, 2005

The Atlantic article about Professor Harry Prosen and Brian the bonobo

The Atlantic, 2014

Milwaukee Sentinel article about Harry Prosen and Brian the bonobo

Milwaukee Sentinel, 2014

2012 Milwaukee Public Radio interview with Harry Prosen and Milwaukee County Zoo bonobo keeper, Barbara Bell, discussing his psychiatric consulting work with bonobos and the incredible story (and psychological rehabilitation) of ‘Brian’ the bonobo.