$post_author: WP_User Object
(
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            [user_login] => ron-paul
            [user_pass] => f6839c471054b733aff03bde00416652
            [user_nicename] => ron-paul
            [user_email] => [email protected]
            [user_url] => 
            [user_registered] => 2013-04-18 04:04:41
            [user_activation_key] => 
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            [display_name] => Ron Paul, MD
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get_the_author_meta: 

$bio: Dr. Ron Paul is a former member of Congress and Distinguished Counselor to the Mises Institute.

$post_author: WP_User Object
(
    [data] => stdClass Object
        (
            [ID] => 2118
            [user_login] => andrew-moran
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            [user_registered] => 2012-11-02 08:11:10
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            [display_name] => Andrew Moran
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get_the_author_meta: 

$bio: 

$bios: Array
(
    [0] => Dr. Ron Paul is a former member of Congress and Distinguished Counselor to the Mises Institute.
)

Dr. Ron Paul is a former member of Congress and Distinguished Counselor to the Mises Institute.