In Genesis Framework load other Google Authorship than the default - only for a specific page (or an array of pages or whatever...)

genesis-google-authorship-single-page.php

<?php
/** Do NOT include the opening php tag */


add_action( 'wp_head', 'ddw_tweak_google_rel_author', 5 );
/**
 * Remove default Google Plus author URL and re-add another specific one - for a specific page only.
 *
 * @author David Decker - DECKERWEB
 * @link   http://deckerweb.de/twitter
 */
function ddw_tweak_google_rel_author() {

	/** Array of our page IDs */
	$custom_pages = array( 2, 16324 );	// Comma separated Page IDs, for example: 2 and 16324
	
	/** Only for specific page(s) */
	if ( is_page( $custom_pages ) ) {

		/** Remove Genesis default */
		remove_action( 'wp_head', 'genesis_rel_author' );

		/** Set our own */
		add_action( 'wp_head', 'ddw_custom_page_rel_publisher', 15 );

	}  // end if

}  // end function


/**
 * Insert our Google Plus author URL for the specific page.
 *
 * NOTE I: use rel="publisher" for Google+ PAGES!
 * NOTE II: use rel="author" for Google+ Personal Profiles!
 *
 * @author David Decker - DECKERWEB
 * @link   http://deckerweb.de/twitter
 *
 * @global $post
 */
function ddw_custom_page_rel_publisher() {

	/** Get post object */
	global $post;

	/** Set our link */
	$gplus_url = 'http://your-google-plus-page-url-here.com/';

	/** Do the magic */
	if ( isset( $post->post_author ) && $gplus_url ) {

		printf( '<link rel="publisher" href="%s" />' . "\n", esc_url( $gplus_url ) );

		return;

	}  // end if

}  // end function

PLEASE NOTE THIS:

Your Google+ URL for your personal author profile is different than a Google+ PAGE URL!
For PAGES use: rel="publisher" within the < a > Tag
For personal profiles use: rel="author" < a > Tag (like it is the default in Genesis 1.9.x or higher!)