Dr Emily Petroff is a PhD candidate at the Centre for Astrophysics and Supercomputing at Swinburne University. She studies extreme objects in both our own Galaxy and galaxies halfway across the universe. She tells the story of her hero scientist Jacques Monod.

Dr Sarada Herke did her PhD in mathematics at the University of Queensland and is now working as a research fellow at Monash University. She tells the story of Sal Khan.

Nick Connellan is a freelance journalist who writes for Broadsheet and other publications by day and who reads all the science and technology stories he can find by night. He tells the story of Nikola Tesla.

Dr Melanie Archer is a medical doctor currently training in pathology. She also has a PhD in forensic entomology, and has been the consultant forensic entomologist to the Victorian Institute of Forensic Medicine for 16 years. She tells the story of American entomologist Justin Schmidt.

Stephen Luntz writes for I Fucking Love Science and administers elections for non-government organisations with Above Quota Elections. He tells the story of snake hunter Kevin Budden.

Dr Ryan McMullan is a senior anaesthetic registrar at the Royal Melbourne Hospital. He tells the story of anaesthetist Edgar Pask.

Dr Daniel Horsley researches and teaches maths at Monash University. He tells the story of mathematician Georg Cantor.

Dr Chris Lassig is a theoretical particle physicist turned science writer and performer. You can hear him on Lost in Science, 8.30 Thursday mornings on 3CR community radio. He tells the story of American theoretical physicist Edward Teller.

Cobi Smith is a researcher, science communicator, technophile and human rights activist. She has worked on projects all around world, and is completing her PHD in science communication through the centre for public awareness of science. She tells the story of American marine biologist Rachel Carson.

Dr George Aranda is a former cognitive neuroscientist, science educator, science communicator and devoted sci-phile. He is curator of Science Book a Day where he has featured over 500 books and interviewed 150 science book authors. He is about to start a Pozible on 3D printing and education. He tells the story of biologist and geologist Louis Agassiz.