Mach, and Richard Avenarius. Lunacharsky went as far as to speak openly in favour of fideism. Lunacharsky used religious metaphors, speaking about 'God-seeking' and 'God-building'. Gorky was influenced by Bogdanov and Lunacharsky....   "Lenin's reaction was very sharp indeed. He wrote to Gorky, 'The Catholic priest corrupting young girls...is much less