Ivan Kuzminsky, a musicologist and intelligence officer with the call sign "Docent," was killed by a sniper on May 17, 2023, near Dibrova village in Luhansk region while on a combat mission. Kuzminsky served in the 2nd Battalion of the 67th Mechanized Brigade of the Armed Forces of Ukraine (ZSU), participating in battles in Kharkiv region and on the Bakhmut front. He was noted for forming an intelligence platoon within his battalion.

Ivan Kuzminsky, born in Berdychiv, Zhytomyr region, had a passion for music from childhood. After graduating from the Kyiv Conservatory, he taught at the Zhytomyr Music College and researched Ukrainian music history. He joined the ZSU following the full-scale invasion and served as a skilled intelligence officer, forming an intelligence platoon in his battalion.