Claudio Tognolli, Brazil, was a veteran investigative reporter who also held a doctorate in journalism studies from the University of São Paulo.

Tognolli published multiple books, including "Assassinato de Reputações", as well as a biography of Brazilian rock singer Lobão. His ninth book, The Magic Door, was an investigation about John Lennon, Jimi Hendrix and Frank Sinatra's sound engineer and record studio owner, Roy Cicala.

Tognolli has worked for the biggest Brazilian media organizations, including Yahoo!, Veja magazine, Folha de S. Paulo, O Estado de S. Paulo, and radio stations CBN, Eldorado and Jovem Pan. He was a foreign correspondent for the daily Folha de S. Paulo, working in more than 20 countries.

He received numerous awards, including the Grande Premio Folha de Jornalismo, Premio Esso and Jabuti Prize (the Brazilian Pulitzer for books). Tognolli was also the founder-director of the Brazilian Association for Investigative Journalism.

Tognolli died in early 2024.