Summary

Upper forehead slope describes how far the upper forehead tilts backward from the rest of the forehead, and Christopher Pfeffer measures 2.9° on this, scoring 9.7 on the Harmony section's Upper Third profile view. That value sits above its 0.0 to 2.0° ideal range, and it is higher than 30% of the men on the wiki, while 20% of men measure inside the range. His value matches that of Jay-Z, John F. Kennedy Jr. and Casey Neistat. At the far ends, Jeff Bezos records the highest value at 32.7°, and Erik Ilin the lowest at 0.0°. Pair this with his Nasofrontal Angle or see Christopher's full Harmony breakdown.