The Thai Princess Mother’s full name is Somdech Phra Srinagarindra Boromarajajonani
Her Life Story:

The Princess Mother preferred a simple and informal lifestyle. She was taken ill with a heart ailment, and was admitted at Siriraj Hospital on June B.E 2538 (A.D 1995). She passed away on Tuesday, 18 July 1995, at the age of 94 years 8 months and 27 days.
Her activities:
She donated her private funds, together with monies from other sources, to build small schools in the hardship areas throughout the country, in support of the project, organized by the Border Patrol Police, to establish schools for hilltribes and people in hard to reach areas.
2. Public Health Projects
In B.E 2512 (A.D 1969), the Princess Mother set up mobile medical teams to provide volunteer services, during off-duty hours, in health care and preventive medicine for people in border and hardship areas.
3. The Doi Tung Development Project
In B.E 2531 (A.D 1988), the Princess Mother started the Doi Tung Development Project in the districts of Mae Chan and Mae Sai, Chiang Rai Province. The aim was to rehabilitate the forests in the watershed areas and to improve the quality of life for the local inhabitants, so that people and forests can cohabit in harmony.
(Source: The Life Story was taken from the information board in the Thai Imaginary Museum. Click on the thumbnail to enlarge):