This paper explores the profound influence and legacy of H. Igor Ansoff in the field of strategic management. Ansoff, a Russian‐American mathematician known as the father of strategic management, introduced groundbreaking concepts such as the Ansoff matrix and long‐range planning. The Ansoff Institute's recent initiative to establish the Ansoff Archives at the University of Twente underscores his enduring impact on strategic management research. This archive aims to preserve his intellectual contributions and support future scholarship. The paper reviews Ansoff's seminal works, including his influential publication Corporate Strategy (1965) and discusses his holistic approach to strategic change, which remains relevant in today's dynamic organizational environments. By commemorating Ansoff's contributions, the paper highlights the importance of his strategic frameworks in guiding contemporary issue management amidst unprecedented levels of uncertainty and change.