Çetin Gültekin
Born in 1974 in Hanau, where he still lives today, he is an industrial mechanic by profession. Until the racist terrorist attack on February 19, 2020, he was self-employed and ran a logistics company.
After the attack, he became one of the well-known faces in the fight against racism. He is an activist and bestselling author, advocating for awareness and justice in the name of his murdered brother, as well as for the other victims and their families.

Mutlu Koçak
Born in 1991, he is a trained IT management assistant. He also studied sociology and political science on the side and works as a consultant in personnel marketing. In addition, he is a bestselling author.
He also organizes social initiatives and volunteers in youth work, particularly in the areas of education, music, and sports.
As a close friend, he tours with Çetin Gültekin across Germany and Europe, sharing the story of his brother, Gökhan Gültekin, who was murdered in the racist attack in Hanau.

HUMBOOKS is supported by the CMS Foundation, the Basler Foundation for Building & Culture, the Swisslos Fund of Basel-Stadt, and Migros Culture Percentage.