sentences:  Past chairmen of the Group were Ewart Willey (first chairman 1959–1974), Prof. Peter King (1974–1980), Peter Prowse (1980–1982), Prof. John Florentin (1982–2010), Prof. Geoff Sharman (2010-2014), and Rob Packwood (2014-2016).The current chairman is Prof Algirdas Pakštas.From time to time, the Group holds joint meetings with other BCS SGs and Branches, for example