Samuel D. Felker graduated from Dartmouth College and earned advanced degrees from Boston University School of Law. He began his career in public service as a member of the New Hampshire state constitutional convention and later served in both houses of the state legislature. Felker held the office of mayor in Rochester before being selected as governor by the state legislature. After his term as governor, he transitioned to a judicial role, serving as a judge until 1930.

Samuel D. Felker's political career reveals a uniquely calculated approach, marked by a strategic blend of local governance and legislative influence. His tenure as governor, secured through legislative selection rather than direct election, highlights an adeptness at navigating complex political landscapes. Felker's decision to forgo a Senate bid and instead focus on municipal law suggests a preference for localized impact over broader national influence. His educational background and early political roles in state constitutional and legislative bodies indicate a deeply rooted commitment to state-level governance. This combination of roles and choices paints a picture of a politician who values strategic positioning and regional impact over national prominence.