Tomasz Piotr Poręba is a Member of the European Parliament from Poland, historian and political scientist. In the late 1990s he worked in the Chancellery of the Prime Minister, then in the Institute of National Remembrance (IPN) in Warsaw.— 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.