45151
He was a member of the Whig administrations headed by Lord Grey and Lord Melbourne of the 1830 s and also published works on financial and penal questions as well as on civil engineering .
 Whig, Grey, Melbourne
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Whig, Grey, Melbourne