Born in 1905 to a wealthy family in India, the social activist came to Singapore in 1950 to spread her Baha'i faith. She and a group of women founded the Singapore Council of Women in 1952 to campaign against polygamy and to improve the lives of women here.
Their lobbying led to the passing of the Women's Charter, a set of laws that protect and advance women's rights, in 1961 and monogamy became the law for all non-Muslims. She died from cancer in 1992.
Dr Lee Choo Neo
Dr Lee became Singapore's first female doctor in 1919 at the age of 24, in an era when women were rarely educated and hardly worked.
The daughter of a well-known merchant, Mr Lee Hoon Leong, she was also a women's rights activist and co-founded the Chinese Ladies' Association of Malaya to promote the education of Chinese girls. She died in 1947.
One of the first batch of 10 women to be recruited into the Singapore Police Force in 1949, Mrs Quintal rose through the ranks to become its Assistant Superintendent in 1961, the highest-ranking female officer then.
Mrs Quintal, whose maiden name was Voon, was also among the first women in the civil service to receive the same pay as their male colleagues. She retired in 1974 after 25 years in the force.
The daughter of a Methodist lay preacher, she was born in 1898 in India and became a lecturer. In 1925, she moved to Singapore to marry a Singapore teacher and later became a member of the Singapore Council of Women.
Mrs Davies was also president of the Young Women's Christian Association (YWCA). She sold her house to raise funds to build a YWCA hostel for female workers. She died in 1979, aged 80.
Mother St. Mathilde Raclot
Born as Justine Raclot in 1814, the French nun entered the Congregation of the Sisters of the Holy Infant Jesus when she was 18 and set up the Convent of the Holy Infant Jesus (CHIJ) for girls in 1854. Today, there are 11 CHIJ schools in Singapore. She died in 1911.