The Solidarity Bridge in Płock, constructed over the Vistula river in 2007, stands as a notable international contribution to civil engineering by Nikola Hajdin. His professional output, spanning decades in Yugoslavia and beyond, prioritized structural integrity and technical precision, securing his reputation as a primary figure in regional infrastructure development during the twentieth century.
Academic Foundation and Early Career
Born in Vrbovsko in 1923, Hajdin pursued his education at the University of Belgrade Faculty of Civil Engineering. He completed both his masters and doctoral degrees at the institution, where his research and training were supervised by professor Jakov Hlitčijev. Following his graduation, he maintained a formal affiliation with the university, contributing to the field as a faculty member and researcher.
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Hajdin focused his engineering career on the construction of bridges. Within Yugoslavia, he led projects that became key transport links. Among his most recognized works are the New Railway Bridge in Belgrade and the Liberty Bridge in Novi Sad. These structures underscored his technical approach to large-scale infrastructure during a period of significant regional development.
Institutional Leadership and Membership
Beyond his practical design work, Hajdin served as the president of the Serbian Academy of Sciences and Arts, where he functioned as a member of the Department of Technical Sciences. His professional network extended to several international bodies, including the European Academy of Sciences and Arts and the Slovenian Academy of Sciences and Arts, marking his integration into broader scientific and engineering circles.
Response to Institutional Controversies
During his tenure at the Serbian Academy of Sciences and Arts, Hajdin addressed historical debates regarding the organization. He publicly asserted that the SANU Memorandum did not constitute an official document of the Academy and denied that the text contained malicious intent. He died in 2019 in Belgrade at the age of 96.
Fast facts
- Born: 1923, Vrbovsko
- Died: 2019, Belgrade
- Nationality: Serbian
- Occupation: Civil engineer
- Key Project: Solidarity Bridge, Płock (2007)
- Alma Mater: University of Belgrade Faculty of Civil Engineering
- Professional Roles: President of the Serbian Academy of Sciences and Arts
- Language: Serbian
Questions readers ask
Which major bridges did Nikola Hajdin design?
His most prominent projects include the New Railway Bridge in Belgrade, the Liberty Bridge in Novi Sad, and the Solidarity Bridge in Płock, Poland.
What was his role at the Serbian Academy of Sciences and Arts?
He served as the president of the Academy and was a member of the Department of Technical Sciences.
Achievements
- Affiliated with University of Belgrade
- Educated at University of Belgrade Faculty of Civil Engineering
- Worked as civil engineer


