Thousands have gathered for the state memorial service of Richard Scolyer, a pioneer of cancer research who was a world authority on skin cancer and melanoma diagnosis.The former Australian of the Year and leading melanoma pathologist died aged 59 on June 7 after a three-year battle with a Grade 4 glioblastoma, an aggressive form of brain cancer.He is being remembered at today's service at the Sydney Opera House, with notable Australian figures, colleagues, members of the public and his loved ones in attendance I only met him briefly to say hello [at a book signing], but I just feel so sorry for him and it's so terrible."He was wonderful."A public memorial for the late Richard Scolyer is set to get underway soon at Sydney's Opera House.The service for the former Australian of the Year and leading melanoma pathologist will commence at 11am.The event will be broadcast live on ABC TV and streamed on ABC iview