[1][2] In 1930, he won the All-Ukrainian Piano Competition in Kharkiv[2] and was appointed the National Philharmonic Society of Ukraine's soloist.
This brought more people to the Kyiv Conservatory, and with higher student counts and a need for higher concert activity, Lufer renovated and expanded the conservatory, a government-funded concert hall was built with 850 seats.
[2] When the Kyiv Conservatory was being invaded by Germany in 1941, Lufer and most of the institute moved to the Sverdlovsk Oblast, he was replaced by Viktor Ivanovsky initially, but due to sickness Ivanovsky couldn't hold the post, and was replaced by Ostap Lysenko [uk].
[2] By June 1944, when the occupation ended, Lufer went back to the conservatory and resumed his position as the director.
In 1945, during the Soviet Union control of Germany, the Sing-Akademie zu Berlin was looted, with most of its collection being transported to either Kyiv or Moscow, Lufer saw over the musical artifacts, and on 23 October 1945, he went to Germany to examine the Soviet findings of the Sing-Akademie Archive, 10 days later large parts of the archive were controversially moved into the Kyiv Conservatory, which were analysed and kept.