The phrase "all knowledge of man" is correct and usable in written English.
It can be used in contexts discussing human understanding, philosophy, or the collective knowledge of humanity.
Example: "The quest for truth often leads us to explore all knowledge of man, from ancient philosophies to modern sciences."
Alternatives: "the entirety of human knowledge" or "all human understanding".
Tracked to his last known address, a woman who answered the door denied all knowledge of the man.
It was rather a spiritual organization of men holding the same convictions, of men who had vision and knowledge-their official functions provided them with knowledge-of men who understood each other and acted, but each in his own way and in accordance with his own individuality.
Although imaginative fiction has probably suffered from excesses of introspection and of analyses of the author's own artistic pangs, knowledge of man's inner life has been enriched by such confessions.
Ever since Descartes, the knowledge of Man and his world has been identified through cognition.
Chesley Bonestell, whose startling renditions of outer space inspired countless astronomers and other scientists to push even farther in their quest for knowledge of man's universe, is dead at age 98.
This broad definition is consistent with that of the Organization for Economic Co-operation and Development (OECD) [ 12] which states that "research and experimental development comprise creative work undertaken on a systematic basis in order to increase the stock of knowledge, including knowledge of man, culture and society, and the use of this stock of knowledge to devise new application".
Thus were written at a single impulsion the passages on food, love, sleep, and the knowledge of men.
Preacherman, Captain Velveeta... Source is very cocky and sure to talk about his knowledge of men's fashion.
Enid's dying father had made her promise to halt her nurse's training because nurses, with their knowledge of men's bodies, were "coarse".
