"This study is an attempt to understand better the development of Ottoman administrative structure and political culture by focusing on Celâlzâde Mustafa Çelebi’s (1490-1567) life, career and works. Celâlzâde Mustafa witnessed formation of Ottoman “classical” organization and culture during 16th century and he is accepted as one of the most influential author-bureaucrats during that time. His nickname “koca nişancı” which means old and great at the same time, indicates his venerated status among ...