The EMS and EMS Press are sad to hear of the recent death of Professor Rolf Jeltsch, esteemed mathematician and former President of the EMS (1999-2002), the Swiss Mathematical Society (2002-2003), the GAMM Society for Applied Mathematics and Mechanics (2005-2007) and the ICIAM (2007-2011). The EMS and EMS Press extend their condolences to the family and friends of Professor Jeltsch.