Soloviev, Vladimir Sergeevich (1853-1900) Russian philosopher, theologian and poet, born in Moscow, son of the historian Sergey Mikhailovich Soloviev. He proposed a universal Christianity, which would unite the Catholic and Orthodox churches, and attempted a synthesis of religious philosophy with science. His main works were
The Crisis of Western Philosophy (1875),
The Philosophical Principles and Integral Knowledge (1877),
Russia and the Universal Church (1889) and
The Justification of the Good (1898)