Building Information Modeling (BIM) has a rich history that begins in 1962. During the third industrial revolution. In the early days of computing, computer technology was introduced to society on a mass level and digital tools were still in their infancy, a handful of visionary minds saw the potential to revolutionize how we design and build. Have you ever thought about the person responsible for the design of your mouse? Or perhaps the reason why you are able to look at multiple screens on one computer? The reason we interact with computers the way that we do today is largely due to Douglas C. Engelbart , a name most notable for his invention of the computer mouse, but a man who had a broader vision for technology. Douglas Engelbart using a computer and his groundbreaking invention, the mouse, captured in sepia tones. Intricate interior of a retro computer system, reminiscent of the era when Douglas Engelbart pioneered revolutionary technologies. In the 1960s , Engelbart realized that design processes in architecture, engineering, and construction were becoming increasingly complex, and traditional methods could no longer keep up. He imagined a world where data wasn’t just stored, but could be shared and processed in real-time , an idea that would later evolve into the development of relational databases—a foundational element of Building Information Modeling (BIM) . His early work was more than just about solving problems; it was about laying the groundwork for a collaborative future in design. Just two years later, in 1964 , Christopher Alexander , an architect and researcher, published a series of groundbreaking books. Alexander’s work was not just about buildings; it was about understanding the very nature of design, human modernity and our collective consciousness within it. Cover of "A Pattern Language" by Christopher Alexander and colleagues. Diagram illustrating the design principles for enhancing pedestrian streets, as conceptualized by Alexander et al. (1977) Streamlining Pattern Connections: this illustration shows of the initial steps in automating the design process within A Pattern Language. Alexander's pattern language is crucial to the history of BIM as it laid the foreground for programming based on such patterns. He suggested that complex design problems would be tackled by automating certain processes. This idea would then inspire a new wave of thinking in architecture, leading to the development of object-oriented programming, which would become one of the building blocks of BIM. Alexander’s vision didn’t just imagine smarter designs; it set the stage for design parameters to be embedded directly into objects, enabling their dynamic interaction. Early interface of ArchiCAD 1.0 from the 1980s. Fast-forward to 1975 in a small lab at Georgia Tech, Charles M. Eastman , often called the father of BIM, was developing a groundbreaking tool for architects and engineers. Eastman played a key role in bridging the gap between CAD and early BIM systems. Building components were no longer static drawings but structured data models that could adapt based on changing needs. His system enabled 3D representations of buildings that weren’t just geometric shapes but contained rich, structured information that could be modified and adapted in real time. In 1977 , Eastman took this further with GLIDE, a tool that allowed designers to interact with their data-driven 3D models—pioneering concepts that would later shape modern BIM platforms. The 1980s brought a fresh wave of digital architecture innovation, led by Jonathan Ingram. At this point, computers were becoming more powerful, and software developers were beginning to recognize the potential for truly immersive 3D design. Ingram’s creation, Sonata, released in the early 1980s, was a breakthrough in 3D building design software. It was one of the first tools to enable the creation of fully interactive, virtual environments for architects to work in. Ingram’s next creation, Reflex, pushed BIM technology even further, adding tools for real-time collaboration and advanced design simulation. A look at the beginning stages of Sonata, programmed by hand by Jonathan Ingram in 1986. Visualization of Jonathan Ingram's initial concepts for integrating Building Information Modeling (BIM) into a dynamic digital space. These early applications of digital modelling and simulation laid the groundwork for what we now consider the heart of BIM technology—allowing architects to create not just designs but fully interactive virtual versions of the buildings before a single brick is laid.