Jenő Zamaróczy

Trenčín, September 7, 1891 – † Budapest, December 16, 1957 / mechanical engineer, industrial organization specialist ; ; He received his diploma in 1913 from the Budapest Technical University. He participated in World War I. Between 1920 and 1926, as the chief engineer of the Hungarian Steel Wire, Wire and Rope Works (Deichsel Factory) in Miskolc, he mainly dealt with heat treatment issues. In 1927, he dealt with the mass production and technical organization tasks and practical application of precision automobile engine parts built on the principle of complete interchangeability in large automobile factories in the USA. In 1928, he returned to Budapest and became the chief engineer of the Danuvia RT. In this position, already in the early 1930s (1932–1933), he was the first in Hungary to implement the production of parts divided into elementary operations and managed and organized solely on the basis of operational instructions, which enabled assembly without joints. He soon became the technical director, then the managing director, and deputy general manager of Danuvia RT. After World War II, he developed Danuvia Rt. into the center of national machine tool supply in a short time. From 1951, he was the head of the fine mechanics department of the Mechanical Design Institute. From 1954 until his death, he worked at the Diósdi Rolling Bearing Factory.