A S Ogolevets

Alexei Ogolevets (Russian: Алексей Степанович Оголевец, Alexei Stepanovich Ogolevets) was a Soviet musicologist, one of the microtonal pioneers, put forward novel temperament principles, created early 17-EDO and 29-EDO musical instruments. Worked at the theoretical problems of harmonic thinking, tonal systems, and modes.

Put forward 29-EDO piano keyboard, based on the common-practice 12-EDO piano keyboard. This layout is presently known and used in pedagogic practice under the name “Ogolevets-Brainin keyboard”, implemented on the Web browser-based software Specialized 29-EDO Keyboards by S A Kryukov in collaboration with Valeri Brainin, who fixed some problems in the original Ogolevets layout.