Robert Alexander Robertson FLS FRSE (1873–22 January 1935) was a Scottish botanist. He was president of the Edinburgh Botanical Society from 1915 to 1917.[1]
He was born in Rattray in Perthshire in 1873 and educated locally before going to the University of Edinburgh study botany, and graduating with an MA BSc in 1889.
He joined the staff of the University of St Andrews lecturing in practical zoology. He was promoted to Professor of Botany in 1929. In World War I he was in charge of the Officer Training Corps (OTC) at the University, with the rank of captain.