The article analizes architect Teklė Šešelgienė‘s (1925–82) creative work, which has specifically manifested itself in the field of landscape architecture and coincided with the second half of the 20th century urban and township planning trends that affected the need and strengthening positions of the landscape designer’s profession. The article also focuses on the creative links between two personalities – Kazys Šešelgis and Teklė Šešelgienė – a teacher and his student, husband and wife and, most importantly, two colleagues. Through personal actions, qualities of character, collaboration and education, the article aims to disclose the peculiarities of the landscape designer‘s profession, the epoch context, importance of knowledge and professional skills in developing landscape architecture objects.