The ACG and its board of management announced the passing of ACG founding Director Richard Jewell. Jewell was responsible in 1984 for establishing the Geomechanics Group within the UWA Department of Civil Engineering and then subsequently, in 1992, the ACG of which he was director until 2000. He worked predominantly in the area of mine tailings and paste and thickened tailings. Jewell continued his involvement with the ACG until 2018 as co-chair of the ACG’s International Conference series Paste and Thickened Tailings. He was co-editor of the three editions of the ACG handbooks of Paste & Thickened Tailings – A Guide.