Core Viewpoint - Tess Johnston, a renowned researcher of Shanghai's old architecture, passed away on September 14 at the age of 94, leaving a significant legacy in the field of urban heritage and architecture research in Shanghai and beyond [1][2]. Group 1: Personal Background and Contributions - Tess Johnston was born on September 14, 1931, and moved to Shanghai in 1981, where she lived for 35 years until 2016 [2]. - During her time in Shanghai, she published 20 English books, primarily focusing on Western-style architecture in cities like Shanghai, Tianjin, Harbin, and Qingdao, often collaborating with photographer Er Dongqiang [2][7]. Group 2: Citywalk Movement - Johnston is recognized as a pioneer of the Citywalk movement in Shanghai, organizing urban exploration activities with foreign residents in the early 2000s, long before the trend gained popularity in Chinese cities [4][6]. - In 1998, she co-founded the "Shanghai Old Architecture Club" with experts in the field, establishing the Historic Shanghai website to promote the study of architectural history [4][6]. Group 3: Notable Works - One of Johnston's most notable works is "A LAST LOOK: WESTERN ARCHITECTURE IN OLD SHANGHAI," published in 1993, which showcases representative Western architecture from the 1930s and highlights the Art Deco style [7][8]. - Her book "Shanghai Art Deco" was later published in Chinese, further contributing to the understanding of Shanghai's architectural heritage [7][11]. Group 4: Legacy and Influence - Johnston's work has had a profound impact on scholars and enthusiasts of Shanghai's urban history, with many citing her books as foundational texts in their studies [7][8]. - Her contributions to the field have been recognized by various academics, who emphasize the collaborative nature of historical research between local and foreign scholars in Shanghai [8].