Fund paediatric brain tumour research with a focus on ETANTR / ETMR. (Embryonal Tumor with Abundant Neuropil and True Rosettes) Alexander's Quest is a registered charity started in memory of Alexander Edwin Brown who died of brain cancer on the 23rd of October 2010. He was only 2 years old. Our little warrior, Alexander Brown, is a beautiful, brave and precious two-year old boy who has lost his life to an aggressive, rare and cancerous brain tumour (ETANTR).