Who's serverd the longest and what is their estimated wealth?
From the Senates own website:
https://www.senate.gov/senators/longest_serving_senators.htm
List of members of the United States Congress by longevity of service - Wikipedia
From the Senates own website:
https://www.senate.gov/senators/longest_serving_senators.htm
List of members of the United States Congress by longevity of service - Wikipedia