Mohammad Chowdhury, 54, grew up in Grove Park and then lived in Blackheath, Beckenham and Chislehurst.
He later moved to Washington D.C., returned to south east London, moved to central London, to Johannesburg, back to London, then to Cario, Mumbai and Jakarta until he finally settled in Melbourne.
His newly published book, Border Crossings: My Journey as a Western Muslim, tells the story of his ‘crossing endless physical as well as cultural borders’ throughout his life.
Mr Chowdhury said he grew up feeling like an outsider in south east London, and also in his family community in Bangladesh which is why he went on his travels.