(Emmen, NL, 1964) studied tropical agricultural engineering and was a correspondent for the Volkskrant and NRC Handelsblad newspapers in Belgrade and Moskow. He wrote about his time there in 1994's De Brug over de Tara (The Bridge over the River Tara). Together with journalist Bart Rijs he wrote 1997's  Srebrenica, Het zwartste scenario (Srebrenica, the Blackest Scenario). Ingenieurs van de ziel (Engineers of the Soul) was published in 2002, an inquiry into the foundations of the Soviet system and the role of writers. De Graanrepubliek (The Grain Republic), about the struggle between rich gentlemen farmers and communist workers in Groningen, was published earlier. Westerman's novel El Negro en ik (El Negro and Me), inspired by a preserved South African in a Spanish museum, was published in 2004 and won the Gouden Uil prize. His revised and augmented 2015 edition of De Slag om Srebrenica (The Battle for Srebrenica) won the Prinsjes Book Prize for best political book. Een woord een woord (One Word One Word) appeared in 2016, in which he tests the strength of free speech under the pressure of terrorist threats. As a child, he experienced the Molukkan train hijacking at close quarters; as a correspondent, he witnessed Chechen terror in Russia. Drawing on these gripping experiences, he describes a series of hostage dramas. In Zeven dieren bijten terug (Seven Animals Bite Back), Frank Westerman encounters seven magnificent creatures in the wake of Willem Barentsz. Along the way, the reader becomes captivated by the wondrous tale of seven polar animals and what they have to tell us at our latitude.

(Tunisia, 1960) is a writer, essayist, traveller and popular panel moderator. He has published fiction and non-fiction; was the director of the debating platform and venue De Balie; and was founder of the literary bookshop Perdu and the cultural centre De Tolhuistuin (all in Amsterdam). He performed with Enkidu Khaled in their jointly created documentary play Bagdad. Due to his curiosity about how artists recreate their cities after a crisis, he travelled to Sarajevo, Beirut, Tirana, Algiers, New York, Kiev, Jakarta and Qamishlo. At the invitation of PAX, he wrote Srebrenica & PAX 1995-2020, an overview of 25 years of support to the Association of Women of Srebrenica by the IKV and PAX in response to the genocide in Bosnia. In 2021 he published Gastvrijheid (Hospitality), in which he explores the art of hospitality through a mix of travel stories, observations, memories and imagery.