One hundred and twelve Guggenheim Fellowships were awarded in 1948. [1] [2] Twenty-five of the artists and scholars were from California, the most from any state. [3]
| Category | Field of Study | Fellow | Notes | Ref |
|---|---|---|---|---|
| Creative Arts | Fine Arts | Alejandro Mario Illanes | [43] | |
| Miguel Sopó Duque | [43] | |||
| Poetry | Agustí Bartra Lleonart | Also won in 1949, 1960 | [43] | |
| Humanities | Linguistics | John Corominas | Also won in 1945, 1957 | [45] [43] |
| Literary Criticism | José Antonio Portuondo | [43] | ||
| Philosophy | José María Ferrater Mora | Also won in 1946 | [46] [43] | |
| Natural Science | Astronomy and Astrophysics | Víctor M. Blanco | Also won in 1954 | [43] |
| Engineering | Luis Hernán Tejada-Flores | [43] | ||
| Mathematics | Cândido Lima da Silva Dias | [43] | ||
| Medicine and Health | Mauro Pereira Barretto | [43] | ||
| Juan García Ramos | Also won in 1951 | [43] | ||
| Molecular and Cellular Biology | Carlos Chagas | [43] | ||
| Thales Martins | Also won in 1947 | [47] [43] | ||
| Roberto Luiz Pimenta de Mello | Also won in 1949 | [43] | ||
| Julio Morató Manaro | [43] | |||
| Organismic Biology and Ecology | Juan Gerónimo Esteban | [43] | ||
| Abraham Willink | Also won in 1962 | [43] | ||
| Physics | José Leite Lopes | [43] | ||
| Plant Science | Jaime Guiscafre-Arrillaga | [43] |