María Amparo Ernst Kuster was born in Colonia, República Oriental del Uruguay. She is an English Teacher, a graduate of Universidad Adventista del Plata in Entre Ríos, Argentina; and is studying her Magister en Educación in Chillán, Chile. She currently works as a Primary Teacher at IAF, Buenos Aires, Argentina.

Guido Dieringer was born in Corrientes, Argentina. He´s a teacher and illustrator at Sorbellini Institute, creating and sharing his passion for pictures, cartoons and paintings in different art places, such as, UNNE Extensión Universitaria, Turismo Hotel, Club San Martín in Corrientes, Argentina.