John Rawls. John Bordley Rawls (21 February 1921 â 24 November 2002) was an American philosopher,and a leading figure in moral and political philosophy. He held the James Bryant Conant University Professorship at Harvard University and the Fulbright Fellowship at Christ Church.
Hazel eyes have a higher concentration of melanin (pigment) around the eye's border, which can result in a multi-colored appearance that varies between copper and green depending on the lighting. Most people estimate that around 5-8% of the world's population has hazel colored eyes. Blue eyes are genetically recessive, and therefore much less common worldwide. Blue eyes are formed by the absence of pigments in the eye, where the blue color is formed by the scattering of light as it's reflected off the iris.
Hazel eye color has also been defined as the medium-color between light brown and dark green. Hazel is common amongst people in America and Europe, while rare in African, Middle Eastern and Asian people. Gray. Gray eye color is considered to be a darker shade of blue (like blue-green).This eye color is related to low melanin in the iris and is related to scant pigmentation throughout the body (like pale skin, light hair, etc). Gray eyes have been found to reveal small amounts of yellow and brown color in the iris.azel eye color has also been defined as the medium-color between light brown and dark green. Hazel is common amongst people in America and Europe, while rare in African, Middle Eastern and Asian people. Gray. Gray eye color is considered to be a darker shade of blue (like blue-green).