Guess the Genre #622 (Gathered by Mike Diehl)

Portrait In BW Bruno DeFilippi Portrait In BW Debby Graham
Portrait In BW Eddie Higgins Portrait In BW Helio Alves
Portrait In BW Francesco Cafiso Portrait In BW Hector Martignon
Portrait In BW George Otterholt Portrait In BW Neil Graillier
Portrait In BW Martial Solal Portrait In BW Treibhaus

Answer: Portrait In Black And White - Next is Guess the Genre #623 --->

Or, I don't want to guess - Show Me A List