[1] The institute was led by Mary van Kleeck, an American social reformer, and Mary Fleddérus, a Dutch activist,[1] and approached scientific management from a particular perspective: what they termed the human factor.
[2] Kerstin Hesselgren was elected president with three vice presidents: Cees van der Leeuw, the Dutch industrialist, Renée de Montmort from France, and Louise Odencrantz from the USA.
The Second Congress was held in Girton College Cambridge, 27 June – 2 July.
Cees van der Leeuw became the new president with Charles E. Jacob as treasurer.
[6] Over 200 participants came from over 26 countries to discuss how social-economic planning could affect industrial relations.