1) Phytagoras the first time that the universe was on ordered whole harmonious as in music.
2) Socrates with philosophical thinking to investigate humanity as a whole that is bt valuing physical and spiritual values in which both of them can't be separated because with the connection of these two things many values are produced.
3) Plato has developed with thought that the nature of a reality is not common but which has a reality that is separate from something that is concrete namely the idea.
4) Aristoteles thought his teachings on logic, syllogism, grouping of science, potential, dynamics, introduction, ethics and the state.