{"product_id":"into-stability-walter-r-evans-and-the-story-of-root-locus-black-and-white-interior-edition-hardcover","title":"Into Stability: Walter R. Evans and the Story of Root Locus (Black and White Interior Edition) - Hardcover","description":"\u003cdiv\u003e\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/reportcopyrightinfringement.com\/\" target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eReport copyright infringement\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003eby \u003cb\u003eGregory Walter Evans\u003c\/b\u003e (Author), \u003cb\u003eRobert Hamilton Cannon\u003c\/b\u003e (Foreword by)\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIn 1950, a young engineer named Walter R. Evans introduced a revolutionary graphical method for analyzing feedback control systems. His paper, \u003cem\u003e\"Control System Synthesis by Root Locus Method,\"\u003c\/em\u003e transformed the practice of control engineering and became one of the most influential contributions in the history of the field.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIn \u003cem\u003eInto Stability\u003c\/em\u003e, Walter's son, Gregory Walter Evans-himself an engineer-tells the untold story behind that breakthrough. Drawing on family archives, correspondence, and rare photos from aerospace history, Evans reconstructs the inventive process that led from wartime analog computers to the elegant logic of Root Locus. He reveals how his father's inventive spirit was shaped by mentors at Washington University in St. Louis, by the entrepenurial environment at North American Aviation, and by a lifetime devoted to clarity, precision, and education.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eThe book follows Walter Evans through the founding of \u003cem\u003eThe Spirule Company\u003c\/em\u003e, the enterprise that brought his invention into classrooms and laboratories worldwide, and explores how the Root Locus method continues to guide modern control design-from aircraft and missiles to robotics and medical systems.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003ePart biography, part history of technology, and part personal memoir, \u003cem\u003eInto Stability\u003c\/em\u003e captures the human side of engineering creativity-the curiosity, discipline, and humility that define real innovation. More than a chronicle of one man's achievement, it is a portrait of a generation of engineers who shaped the modern world through insight and perseverance.\u003c\/p\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 232\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.75 x 10 x 7 IN\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e November 14, 2025\u003c\/div\u003e\n            ","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":47474808193277,"sku":"9798993161402","price":43.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/3414\/0157\/files\/Wf3ofO5J5P9798993161402.webp?v=1777423954","url":"https:\/\/booktolia.com\/products\/into-stability-walter-r-evans-and-the-story-of-root-locus-black-and-white-interior-edition-hardcover","provider":"booktolia","version":"1.0","type":"link"}