scientist-clerics References External links "Inventário do Acervo Padre Roberto Landell de Moura: Série Produção Intelectual. Subsérie Estudos" (Collection of Landell papers). Instituto Histórico e Geográfico do Rio Grande do Sul. (ihgrgs.org.br) Selected articles about Roberto Landell (landelldemoura.com.br) 1861 births 1928 deaths People from Porto Alegre Radio pioneers Brazilian inventors History of radio Catholic clergy scientists 19th-century Brazilian Roman Catholic priests 20th-century Brazilian Roman Catholic priests