Max Pearson presents a collection of the week's Witness History episodes. Our guest is Doctor Melissa Rogerson, who is a senior lecturer and board games researcher at the University of Melbourne in Australia.First, on its 50th anniversary, we hear from Luke Gygax, whose father created the fantasy role-play game, Dungeons & Dragons.Then, the first dinosaur remains discovered in Antarctica in 1986, by Argentinian geologist Eduardo Olivero.Next, Ethiopia’s internal relief efforts during the famine in 1984, led by Dawit Giorgis.Plus, the fight to stop skin lightening in India with Kavitha Emmanuel who launched a campaign in 2013. Finally, Angolan singer and former athlete Jose Adelino Barceló de Carvalho, known as Bonga Kwenda, speaks about his music being banned in 1972 and going into exile.Contributors: Luke Gygax - his father Gary Gygax created Dungeons & Dragons.Doctor Melissa Rogerson - senior lecturer and board games researcher at the University of Melbourne in Australia.Eduardo Oliver - Argentinian geologist.Dawit Giorgis - in charge of Ethiopia's internal relief effort during the 1984 crisis.Kavitha Emmanuel - campaigner.Jose Adelino Barceló de Carvalho - known as Bonga Kwenda.(Photo: Vintage game modules from the role-playing game Dungeons & Dragons on display. Credit: E.Jason Wambsgans/Chicago Tribune/Tribune News Service via Getty Images).