Man: Medium Skin Tone, White Hair

Older Person: Medium Skin Tone

Person: White Hair

Old Man

Older Person: Medium-dark Skin Tone

Man: White Hair

Person: Medium-light Skin Tone, White Hair

Woman: Light Skin Tone, White Hair

Old Man: Light Skin Tone

Woman: Medium Skin Tone, White Hair

Older Person: Dark Skin Tone

Old Woman: Dark Skin Tone

Old Woman: Medium Skin Tone

Person: Medium Skin Tone, White Hair

Old Man: Medium Skin Tone

Woman: White Hair

Woman Scientist: Medium-light Skin Tone

Woman Scientist: Light Skin Tone

Man Scientist: Medium Skin Tone

Woman Scientist: Medium Skin Tone