Andrew Keith Leigh is an Australian politician, author, lawyer and former professor of economics at the Australian National University. He has been a Labor member of the Australian House of Representatives since 2010 representing the seat of Fraser until 2016 and Fenner thereafter.— Wikipedia
The time period for further statistics is the same as in the graph above. Retweets are included. For the word cloud, the most common words in a language and numbers were eliminated, and words were converted to lowercase.