Final answer:
John Nance Garner is the individual who served as the Speaker of the House, represented Texas in the House of Representatives, and was Vice President to Franklin D. Roosevelt during his first two terms.
Step-by-step explanation:
The individual being described is John Nance Garner, who served as the Speaker of the House, represented Texas in the House of Representatives, and was the Vice President to Franklin D. Roosevelt during FDR's first two terms as President of the United States. Born in Texas, Garner started his political career in the state legislature before moving up to the national level. He was known for his influential role in the House of Representatives and as a key supporter of Roosevelt's New Deal, at least during the beginning of FDR's administration. However, he eventually split with Roosevelt over policy disagreements and did not seek re-election as Vice President for FDR's third term.