G. I. Barenblatt in Memoriam (1927–2018)

[摘要] The great mathematician and physicistGrigory IsaakovichBarenblatt died inMoscow on 22 June atalmost 91 years of age,in the city where hewas born on 10 July1927. We say goodbyewith great sorrow tothe Master who taughtus the beauty of selfsimilarity applied toflows and fracturesand to whom some ofus have dedicated somany mathematicalsolutions that bear hisname.