David Crossley, member of the founding steering committee and Council of the Society, died in December 2017. His academic career began in economic history, with his document-based first book The Wealth of Britain, 1085–1966 being written with Sidney Pollard. Indeed, the importance of manuscript sources remained a thread in his research, even when combined with and informed by material evidence, as seen with several influential studies. However, David rapidly widened his interests to include material remains, though as with most postmedieval scholars of his generation he always looked to the written sources as part of his data-set. He had already begun his directing career on excavations at several Iron Age and Roman sites in Wales. Two main topics attracted much of David Crossley’s attention: the iron and glass industries. Glass-making technologies, often brought by immigrants from the Continent, could be considered from items surviving in collections. However, the archaeological dimension of examining the production sites attracted David, leading to two early and highly significant projects at Bagot’s Park, Staffordshire and, with Alan Aberg, at Hutton and Rosedale, North Yorkshire. These case-study researches fed into more synthetic and reflective publications spread over the decades of his career, indicating a longstanding commitment to understanding this industry. The large-scale iron industry of the Weald was an early focus of his research, with documentary study linked to field survey and excavation. David’s academic career was at the University of Sheffield, mainly as lecturer in extra-mural studies; using his classes to carry out fieldwork was necessarily a slow accumulation, but in time led to the cataloguing and analysis of the water mills that provided power for the early industries on the rivers in and around Sheffield. He also researched other aspects of Yorkshire’s ferrous industries, notably at Rockley Smithies and Rockley blast furnace. In 1981, his edited collection of contributions on the archaeology of medieval industry included many high medieval processes that persisted into the early modern period. David was a founding member of Council, then served as Vice-President for two years and President for three from 1973; he then took on the role of joint Vice-President again for a further three years. In 1975, the Department of the Environment (equivalent of today’s Historic England) asked all the period societies for their priorities in survey, research and excavation within their field. This was the forerunner of the research frameworks in use today and the first attempt to be strategic in the face of numerous threats to the historic environment. The Society’s response FIG. 1 David Crossley

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大卫·克罗斯利（David Crossley）1934–2017

大卫·克罗斯利（David Crossley）是该学会的创始指导委员会和理事会成员，于2017年12月去世。他的学术生涯始于经济史，他的第一本基于文档的著作《英国的财富》（1085-1966年）是由西德尼·波拉德（Sidney Pollard）撰写的。确实，手稿来源的重要性仍然是他研究的一个主线，即使是结合有大量证据的材料证据，如一些有影响力的研究所示。然而，戴维迅速扩大了他的兴趣，将遗体包括在内，尽管与他这一代的大多数中世纪后学者一样，他总是将书面资料作为其数据集的一部分。他已经在威尔士的多个铁器时代和罗马遗址开始了他的导演生涯。大卫·克罗斯利（David Crossley）吸引了两个主要话题：钢铁和玻璃工业。人们通常会考虑从幸存的物品中考虑玻璃制造技术，这些技术通常是由来自欧洲大陆的移民带来的。但是，检查生产地点的考古学维度吸引了David，这导致了两个早期且非常重要的项目在斯塔福德郡的Bagot's公园以及与Alan Aberg一起在北约克郡的赫顿和罗斯代尔进行。这些案例研究在更广泛的综合性和反思性出版物中得到了广泛应用，这表明他长期致力于理解该行业。韦尔德的大型钢铁行业是他研究的早期重点，文献研究与现场调查和挖掘相关。David的学术生涯是在谢菲尔德大学（Sheffield University），主要是壁画研究讲师。利用他的班级进行田野调查必然是一个缓慢的积累，但随着时间的流逝，对水厂进行了分类和分析，为谢菲尔德及其周边地区的河流中的早期工业提供了动力。他还研究了约克郡黑色金属行业的其他方面，特别是在Rockley Smithies和Rockley高炉。1981年，他编辑的关于中世纪工业考古学的著作集包括许多延续至近代早期的高中世纪过程。戴维（David）是理事会的创始成员，从1973年开始担任副主席两年，并担任主席三年。然后，他又担任了三年的联合副主席。1975年，环境部（相当于今天的历史英格兰）要求所有时期的社会在其领域内进行调查，研究和发掘方面的优先考虑。这是当今使用的研究框架的先驱，并且是面对历史环境的众多威胁时进行战略性的首次尝试。协会的回应。1大卫·克罗斯利