Frank on August ??, 2013 - right after his successful defence of Ph.D.

After Frank's defence,
left to right: Borko Darko Stosic, André Toom, Alex Dias Ramos, Klaus Leite Pinto Vasconcellos, Manoel José Machado Soares Lemos.

Frank's advisor André Toom and Frank after Frank's defence of his Ph.D.