What is the difference between Konstantin Orbelyan and Haig P. Manoogian
Konstantin Orbelyan Konstantin Aghaparoni Orbelyan (Armenian: Կոնստանտին Աղապարոնի Օրբելյան ; Russian: Константин Агапаронович Орбелян , July 29, 1928 – April 24, 2014) was an Armenian pianist, composer, head of the State Estrada Orchestra of Armenia.
Mitrofan Lodyzhensky Mitrofan Vasilyevich Lodyzhensky (Russian: Митрофа́н Васи́льевич Лоды́женский , in some sources Лады́женский (Ladyzhensky ); February 27 [O.S. February 15] 1852 – May 31 [O.S. May 18] 1917 ) was a Russian religious philosopher, playwright, and statesman, best known for his "Mystical Trilogy" comprising "Super-consciousness and the Ways to Achieve It", "Light Invisible", and "Dark Force".