Bob Engemann (1936-2019) was an American singer and songwriter, best known as a member of the popular vocal group The Lettermen. Formed in 1961, The Lettermen specialized in a blend of pop, soft rock, and vocal harmony, characterized by their smooth melodies and romantic themes. Engemann's contributions to the group included lead vocals on several hits, particularly during their peak in the 1960s and early 1970s. Notable works with The Lettermen include their renditions of “When I Fall in Love,” “Goin’ Out of My Head,” and “Put Your Head on My Shoulder.” The group’s ability to adapt popular songs into their signature style helped them achieve significant commercial success, including multiple gold records and television appearances, which solidified their place in the music industry. Engemann's impact is seen in the resurgence of vocal harmony groups during the era and the influence they had on later artists in the pop and soft rock genres. After leaving The Lettermen in 1968, Engemann pursued a solo career, releasing several albums and singles, although he did not achieve the same level of fame. His work remains a testament to the enduring appeal of harmony-driven pop music.