Final answer:
Democritus is the notable experimental scientist among the Greek philosophers, known for his atomic theory. While early Greek philosophy emphasized reason over experiment, Democritus' ideas on atoms formed a conceptual basis for later empirical scientific methods and modern atomic theory.
Step-by-step explanation:
The experimental scientist among the Greek philosophers mentioned is Democritus. Although the early Greek philosophers did not commonly employ experimentation, Democritus, along with his teacher Leucippus, formulated the idea that everything is composed of indivisible particles called atomos, or atoms. While this theory was largely ignored by his contemporaries and even dismissed by philosophers such as Aristotle, it laid the groundwork for modern atomic theory, which would not be empirically validated until much later with advancements in chemistry and physics.
Democritus is known for being one of the first to suggest that the universe is made up of atoms, a revolutionary concept for the time. Despite this groundbreaking idea, Greek philosophers of the era relied on reason and philosophical debate over practical experimentation to make sense of the world. It wasn't until the age of enlightenment and the scientific revolution that a methodological approach of ducting research through experiment and observation in science was fully established and the theories of Greek philosophers like Democritus were tested and seen in a new light.