Height profile

Christopher Ryan (author) Height

Christopher Ryan (born February 13, 1962) is an American author best known for co-authoring the book Sex at Dawn (2010).

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Visible height is how tall the person appears to you, including footwear, hairstyle and proportions. It's about overall impression.

Current barefoot height is your best estimate of the person’s real height today, without shoes.

Peak barefoot height is your estimate of the person’s tallest adult height before any age-related height loss.

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