Birgit Carlstén (1936-2017) was a prominent Swedish architect and designer known for her significant contributions to the development of modern Swedish healthcare design and, more broadly, to accessible and inclusive environments. While perhaps not a household name, her influence on the built environment profoundly impacted the lives of countless individuals. Carlstén’s career blossomed during a period of significant social reform and expansion of the Swedish welfare state. This context heavily influenced her design philosophy, emphasizing functionality, user-centered design, and social responsibility. She consistently championed the needs of marginalized groups, particularly those with disabilities, pushing for architectural solutions that would enable them to live fuller, more independent lives. A substantial portion of Carlstén’s work focused on hospitals and healthcare facilities. She challenged traditional, often sterile and impersonal hospital designs, advocating for environments that were both efficient for medical staff and comforting for patients. Her approach considered the psychological impact of the built environment, emphasizing natural light, calming color palettes, and easy navigation. She understood that a well-designed healthcare space could contribute to the healing process. Beyond hospitals, Carlstén’s expertise extended to residential buildings and public spaces. She was a vocal advocate for universal design principles, long before they became widely adopted. Universal design, as she envisioned it, meant creating spaces accessible and usable by people of all ages and abilities, without the need for specialized adaptations. This included designing entrances without steps, wider doorways for wheelchair users, and clear signage for the visually impaired. Carlstén’s commitment to accessibility went beyond mere compliance with building codes. She saw it as a fundamental ethical imperative, believing that everyone had the right to participate fully in society. She actively researched and documented the challenges faced by people with disabilities in navigating the built environment. This research informed her designs and contributed to a deeper understanding of user needs. She wasn’t just a practitioner; Carlstén was also a dedicated educator and researcher. She taught at several universities, inspiring generations of architects and designers to prioritize accessibility and inclusivity in their work. Through her teaching, lectures, and publications, she disseminated her knowledge and advocated for a more socially conscious approach to architecture. Carlstén’s impact extends far beyond the specific buildings she designed. She helped shift the paradigm in Swedish architecture, moving away from a purely functional approach towards a more humanistic and socially responsible one. Her pioneering work paved the way for the integration of accessibility standards into mainstream design practices in Sweden and beyond. While she may not be as widely celebrated as some other architects, Birgit Carlstén’s legacy lies in the countless lives she touched through her commitment to creating a more inclusive and equitable built environment for all. Her work continues to inspire architects and designers to consider the needs of all users and to create spaces that promote dignity, independence, and well-being.