Stephen Kaplan, Key Figure in Denver International Airport Development, Dies at 79
Stephen Kaplan, a former Denver city attorney who was instrumental in the development of Denver International Airport (DIA), has died at the age of 79.

Denver, CO, November 5, 2026 — Stephen Kaplan, a former Denver city attorney whose work was instrumental in the development of Denver International Airport (DIA), has passed away at the age of 79. Kaplan’s contributions played a significant role in the creation and realization of the major aviation hub, which serves as a critical gateway for the region and beyond.
As a former city attorney for Denver, Kaplan was involved in the legal and administrative processes that underpinned the ambitious project of constructing a new, large-scale airport for the city. The development of DIA was a complex undertaking, requiring extensive planning, resource management, and legal oversight. Kaplan’s role in this process was described as instrumental, indicating a deep involvement in shaping the project’s direction and execution.
The Denver International Airport, known for its vast scale and operational capacity, has become a vital component of the city’s infrastructure and a major economic driver. Its development was a transformative initiative for Denver, requiring years of work and coordination among various stakeholders. The contributions of individuals like Kaplan were essential in navigating the challenges inherent in such a large public works project.
Details regarding the cause of death or specific circumstances surrounding Kaplan’s passing were not provided. Information about his personal life, career beyond his role as a city attorney, or survivors was also not immediately available. The age of 79 marks the end of a life that included significant involvement in a landmark civic project for the city of Denver.
The legacy of Stephen Kaplan is tied to the physical and operational reality of Denver International Airport. His instrumental role in its development signifies a lasting impact on the city’s transportation network and its connection to the wider world. Further details about his career and life are expected to emerge.
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