context: Leach was born in Ballarat, Victoria and educated at Creswick Grammar School (where he was dux), Melbourne Training College (1890) and the University of Melbourne, where he graduated B.Sc. in 1904, M.Sc. in 1906 and in 1912 obtained his doctorate for research in ornithology.
source: Leach was a regular writer and broadcaster on natural history subjects and introduced it into the school curriculum.
reference_original: Leach war regelmäßiger Autor und Rundfunksprecher zu naturkundlichen Themen und führte diese in den Lehrplan ein.
reference_flipped: Leach war regelmäßige Autorin und Rundfunksprecherin zu naturkundlichen Themen und führte diese in den Lehrplan ein.