H. F. Samuels earned a law degree from the University of Michigan and was admitted to the bar in Indiana in 1892. He later obtained a master of law degree from Columbian University. Samuels amassed significant wealth through success in the mining industry, particularly in the Idaho Panhandle. He transitioned from the Republican Party to support the Non-Partisan League and the Idaho Progressive Party, running multiple campaigns for governor and the U.S. Senate, though he was never elected. Samuels owned the Samuels Hotel, constructed with his mining earnings, and retired from public life in 1928.

H. F. Samuels's political journey is marked by an intriguing ideological fluidity, shifting from Republican to the Non-Partisan League and then to the Idaho Progressive Party. His wealth from the mining industry seems to have influenced his economic policy stances, while his repeated electoral losses suggest a complex interplay of regional and ideological factors. Samuels's rhetorical style likely balances a pragmatic appeal with a progressive vision, though the specifics remain to be explored.