THIS IS IBN AL-HAYTHAM; the inventor of the today's scientific method; He specifically championed the four defining characteristics of the scientific method as:; 2. Testing and/or criticism of a hypothesis using experimentation; 1. Explicit statement of a problem, tied to observation and proof by experiment; 4. The publication of the findings; 3. Interpretation of data and formulation of a conclusion using mathematics; HE LIVED FROM 965 – 1040 CE, LONG BEFORE WESTERN EUROPEAN SCIENTISTS WHO WERE REGULARLY SILENCED AND THREATENED BY THE PREVAILING RELIGION OF THE TIME IF THEY REACHED A CONCLUSION THAT DIDN'T MATCH THE PREFERRED HOLY BOOK.