Bukit Timah is an area in Singapore and a hill in that area. Bukit Timah is located near the centre of the Singapore main island. The hill stands at an altitude of 163.63 metres (537 ft.) and is the highest point in the city-state of Singapore. The surrounding area is an urban planning area known as Bukit Timah Planning Area under the Urban Redevelopment Authority and is part of the Central Region, and lies 10 kilometres (6.2 mi) from the city's central business district, the Central Area. This area is often referred to as Bukit Timah, and is also known as District 11.

Bukit Timah is considered the most expensive district in Singapore. Many high-profile personalities, expatriates and professionals reside in this posh district which houses designer villas, bungalows and high-end condominiums.

Bukit Timah, which literally means "tin hill" in Malay, was already identified on the 1828 map by Frankin and Jackson as Bukit Timah. The hill was depicted on the map towards the northwest as two hills at the eastern source of the Kranji River.

John van Wyhe is a historian of science, with a focus on Charles Darwin and Alfred Russel Wallace, at the National University of Singapore. He holds numerous academic and research positions, ranging from founder and director of The Complete Works of Charles Darwin Online, Scientific Associate, The Natural History Museum (London), a Fellow of the Linnean Society and a Member of the British Society for the History of Science.₁ Through Darwin Online, he has distributed more Darwin to the public than all the publishers in history combined. He has given more than 50 public lectures on Darwin in more than a dozen countries. He lectures and broadcasts on Darwin, evolution, science and religion and the history of science around world.

van Wyhe's past educational experience include receiving an M.A. from University College London and a Ph.D. from the University of Cambridge. He accepted a Senior Research Fellowship at the National University of Singapore in 2002 where he both founded the Darwin Online Project and edited the Science section of the Victorian Web. ₃