The planter is Malcolm MacDonald, I presume. Check out the wordings on the trees. UM was a modernist project by the British to cultivate local leaders to take over from them. And to be friendly to them after they leave.
Think about this in the context of what happened soon after - the first student arrests of 1951, the setting up of the University of Malaya Socialist Club and the Fajar Trial of 1954.
Here's the original article courtesy of Chee Kien.