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With Christian Gottfried Daniel Nees von Esenbeck ( 1776-1858 ) and Johann Bernhard Wilhelm Lindenberg ( 1781-1851 ) , he was author of Synopsis Hepaticarum ( 1844-47 ) , which was a landmark work in the field of hepaticology .
 Christian Gottfried Daniel Nees von Esenbeck, Johann Bernhard Wilhelm Lindenberg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Christian Gottfried Daniel Nees von Esenbeck, Johann Bernhard Wilhelm Lindenberg