Topkaç was born in Diyarbakır in 1954. Topkaç was a primary school graduate, he was a bakery master on simit. In fact, Topkaç has been interested in astronomy since his youth, and published his studies in 1991 when he started to observe the movements of the Moon with his binoculars. Topkaç bought his first telescope for $2.5K in Istanbul in 1992, an old servant telescope he bought from the Soviet Union. His telescope was vandalized by PKK. Upon this, as a result of an aid campaign organized on social media, a telescope worth ₺16K was bought for Topkaç.