In the middle of last century, the Indian poet, philosopher and educator, Rabindranath Tagore was one of the most influential people of the time. Don Agustin Nieto Caballero admired his philosophy as a pioneer educator and founder of the Shantiniketan (abode of peace) school, where he educated students in the open air through the development of sensitivity and emotion in contact with nature.

Don Agustin had the opportunity to travel to Buenos Aire, Argentina, and there he met Tagore, who said that the Gimnasio Moderno and his Shantiniketan school are two peas in a pod when it comes to their intention with teachers, their educational purposes and the ideals they pursue.

In 1924, Agustin Nieto Caballero wrote the following letter, where he narrated the magnificent experience he had when he met this great philosopher and poet: