A documented tribute exploring early computing, Cold War engineering, and the personal legacy of Lillian McFadden Jay and her daughter, Dorothy Lillian Jay.
Welcome
This site exists to preserve and present a documented historical record of early computing work, Cold War–era engineering, and the intergenerational impact of technological progress on one family.
At its center is Lillian McFadden Jay (1924–1988), a mechanical and design engineer whose professional work spanned the formative years of electronic computing, naval systems, and industrial automation. Her career intersected with a period of intense military-driven technological development, much of it conducted under pressure, urgency, and limited long-term understanding of risk.
This archive also honors Dorothy Lillian Jay (1950–2024)—a critical care nurse whose life reflected service, compassion, and quiet strength, and whose death from mesothelioma underscores the long shadows cast by unseen occupational hazards.
The materials presented here are drawn from preserved documents, family records, contemporaneous photographs, and historical research. Where possible, claims are supported by primary evidence. Where uncertainty exists, it is acknowledged.
This is not a commercial site, nor a complete history of computing. It is a focused archive—one family’s story situated within a larger historical moment.
Future additions will expand this record as research continues.