Konrad Czajkowski, resident of Sina street number 4, later Kamienna street number 2. Konrad Czajkowski was born in 1948 (age 66), in Białystok (Podlaskie Voivodeship). He graduated from Vocational School and from Secondary Technical School (evening studies). In 1965 he began to work in the Factory of Tooling and Chucks, in tool-room, as a turner and later as a grinder. In the Division of CT Precision Chucks of the Factory of Tooling and Chucks, on Szosa Północno-Obwodowa street, he worked as a tool setter and he substituted for foreman. He worked there until 1979. Member of the organization: Union of Socialist Youth Personal and family life: wife Janina, daughters Agnieszka and Katarzyna.