Jevgeņijs Carkovs, Dr. habil. math., Professor of Faculty of Computer Science and Information Technology of RTU passed away on 31 October 2018. Jānis Gerhards, Professor Dr. sc. ing., Dean of Faculty of Power and Electrical Engineering (FPEE; 1988–1990; 2001–2011), former Vice-Rector for Academic Affairs of RTU (1990–2000), Head of the Chair of Electric Power Supply of FPEE passed away on 19 January 2019. Ilgars Grosvalds, Science historian and chemist, State Emeritus Scientist passed away on 4 May 2019. Helmuts Guļevskis, Assistant Professor Dr. sc. Ing., Member of Latvian Association of the History of Science, long-term lecturer of RPI / RTU (1970–1996), Head of the Department of Study Content and Programs (1995–2017), historian of engineering sciences passed away on 30 April 2019. Ivars Knēts, RTU Emeritus Professor Dr. habil. sc. ing., RTU Rector (1999–2011), former long-term Vice-Rector for Science of RTU (1987–1999), Academician of the Latvian Academy of Sciences, Professor of biomechanics passed away on 1 March 2019. Vilnis Krēsliņš, Dr. sc. ing., long-term Chairman of the Executive Board of Latvian Association of Power Engineers and Energy Builders, Chairman of the Council of Joint Stock Company «Augstsprieguma tīkls», lecturer, Chairman of State Examination Commission of RTU, Member of RTU Advisory Board passed away on 19 March 2019. Anatolijs Ļevčenkovs, Dr. sc. ing., Professor of Institute of Industrial Electronics and Electrical Engineering of Faculty of Power and Electrical Engineering of RTU passed away on 27 May 2019. Vytautas Milašius, Emeritus Professor of Kaunas University of Technology (Lithuania), RTU Honorary Doctor passed away on 5 March 2019. Inta Strakova, Dr. chem., Honorary Employee of RTU, State Emeritus Scientist passed away on 8 April 2019.