mikhail evgenievich, when did people even think about what the world consists of?nk the primitive hunters and gatherers thought about this, yes, after eating to their heart’s content and thinking. about what the world is, but a more or less scientific understanding appeared among the egyptians, these are already four elements, four fundamental principles: water, earth, fire and air, yes, but if we want names, then these are the ancient greeks, this is falez meletsky , meletsky is that everything consists of water, and his student anoximander, earth, anaximenes, is air, heraclitus criticized all of them, that no, everything there is fire, but a little later dimocritus introduced the concept, what we call, introduced the concept of atom, that is, an indivisible particle, well, if we talk about names, then the ancient one can be added as a philosopher, here we must also mention two very important names: plato and aristotle, by the way, they led, well, they thoroughly examined the category of matter, they had a slightly different interpretation of matter, plato viewed