Women

Singaporean physician Oon Chiew Seng (1916 – 31 March 2022) advanced dementia care and research in Singapore, and co-founded the Apex Harmony Lodge, the nation’s first nursing home for residents with dementia.

Irene Ayako Uchida’s (8 April 1917 – 30 July 2013) strides to understand genetic diseases such as Down syndrome paved the way for early screening of chromosomal abnormalities in foetuses.

Maggie Lim (5 January 1913 – November 1995) was a Singaporean physician who promoted family planning and expanded the access to clinics to improve the quality of life for mothers and children in Singapore’s early days.

The founder of the Adyar Cancer Institute in India, Muthulakshmi Reddy (30 July 1886 – 22 July 1968), fought to uplift women and girls from impoverished situations.

Maharani Chakravorty (1937 – 2015) was one of India’s earliest molecular biologists whose research paved the way for advances in the treatment of bacterial and viral infections.

Archana Sharma (16 February 1932 - 14 January 2008) conducted research into plant and human genetics that expanded the understanding of both botany and human health. In relation to botany, she uncovered the means by which asexually-reproducing plants evolve into new species.

The first Thai woman to receive a degree in medicine, Margaret Lin Xavier (29 May 1898 – 6 December 1932), is best remembered for her compassion towards her less privileged patients.

Hwang Hye-seong (5 July 1920 – 14 December 2006) was an expert on Korean royal court cuisine, the knowledge of which she dedicated her career to keeping alive. Formerly an assistant professor of nutritional science, Hwang met the last kitchen court lady in the Joseon Dynasty Han Hui-sun and, from her, learned about the culinary traditions of the royal court.

Malaysia’s first astrophysicist, Mazlan binti Othman (born 11 December 1951) was instrumental in launching the country’s first microsatellite, and in sending Malaysia’s first astronaut, Sheikh Muszaphar Shukor, into space.

Tsuneko (7 June 1933) and Reiji Okazaki (8 October 1930 – 1 August 1975) were a Japanese couple who discovered Okazaki fragments – short sequences of DNA that are synthesized during DNA replication and linked together to form a continuous strand.

Husband and wife team, Kimishige (3 December 1925 – 6 July 2018) and Teruko Ishizaka (28 September 1926 – 4 June 2019) discovered the antibody class Immunoglobulin E (IgE) that triggers allergic reactions. They also discovered that IgE antibodies attach to white blood cells, known as mast cells, releasing histamine, which causes allergic reactions.

A pioneer of bio-organic chemistry, Darshan Ranganathan (4 June 1941 – 4 June 2001) is remembered for developing a protocol for synthesising imidazole, a compound used to make antifungal drugs and antibiotics. Widely considered India’s most prolific researcher in chemistry, she also published dozens of papers in renowned journals on protein folding, molecular design, chemical simulation of key biological processes, and the synthesis of functional hybrid peptides and nanotubes.

Palaeontologist Yichun Hao (1920 – 2001) co-authored the first Chinese textbooks on palaeontology and micropalaeontology. Her research on Foraminifera – amoeba-like organisms with shells – was vital for the exploration and utilisation of marine energy resources.

Ground-breaking cancer researcher Kamal Jayasing Ranadive (8 November 1917 – 11 April 2001) advanced the understanding of the causes of leukaemia, breast cancer and oesophageal cancer through the use of animal models. She was also among the first to recognise how susceptibility to cancer is linked to tumour-causing interactions between hormones and viruses.

The research of Filipino pharmaceutical chemist Luz Oliveros-Belardo (3 November 1906 – 12 December 1999) focussed on essential oils and other chemicals derived from native Philippine plants.

Filipina chemist María Orosa (29 November 1892–13 February 1945) fought malnutrition and food insecurity in the Philippines by devising over 700 culinary creations including Soyalac, a nutrient rich drink made from soybeans, and Darak, rice cookies packed with Vitamin B1, which could prevent beriberi disease caused by Vitamin B1 deficiency. She was also a partisan of the guerrilla movement resisting Japanese occupation during World War II, and died after being struck by shrapnel while working in her laboratory during the Battle of Manila.

Eminent Filipina scientist and educator Clara Lim-Sylianco (18 August 1925 – 23 July 2013) is remembered for her extensive research on mutagens – often-carcinogenic agents that permanently alter genetic materials such as DNA – antimutagens and bioorganic mechanisms.

In 1939, biochemist Kamala Sohonie (18 June 1911 – 28 June 1998) became the first woman to be accepted into the Indian Institute of Science (IISc).

Fe Villanueva del Mundo (27 November 1911 – 6 August 2011) was a Filipina paediatrician who founded the Philippines’ first paediatric hospital.

Chinese physicist Xie Xide (19 March 1921 – 4 March 2000) was an influential educator and one of China’s pioneer researchers of solid-state physics.

Indian organic chemist Asima Chatterjee (1917 to 2006) studied the medicinal properties of plant products, especially compounds known as vinca alkaloids.

Tu Youyou (born 30 December 1930) is a Chinese pharmaceutical scientist who was awarded the 2015 Nobel Prize in Physiology or Medicine for her work on extracting artemisin from sweet wormwood to treat malaria.

Chika Kuroda (24 March 1884 – 8 November 1968) was a Japanese chemist whose research focussed on the structures of natural pigments.

Mathematician Maryam Mirzakhani (12 May 1977 – 14 July 2017) was the first and only woman and Iranian to date to win the Fields Medal in 2014 for her work on curved surfaces.

Janaki Ammal Edavalath Kakkat (4 November 1897 – 7 February 1984) was an Indian botanist who studied plant chromosomes and genetics.

Susan Lim (14 February 1952 – 2 August 2014) was a Malaysian parasitologist who specialized in studying a class of flatworms, the Monogeans, which are parasites of fishes.

Kono Yasui (16 February 1880 – 24 March 1971) was a Japanese botanist who researched the genetics of poppies, corn and spiderworts and surveyed the plants that had been affected by the nuclear fallout after the atomic bombings of Hiroshima and Nagasaki.

Chien-Shiung Wu (31 May 1912 – 16 February 1997) was an experimental physicist who made several important contributions to nuclear physics. Wu worked on the Manhattan Project – a top-secret program for the production of nuclear weapons during World War II and helped to develop a process for separating uranium into U235 and U238.

Rajeshwari Chatterjee (24 January 1922 – 3 September 2010) was the first female engineer from Karnataka in India.

Rampa Rattanarithikul is a Thai entomologist who is a leading expert on mosquitoes. Rattanarithikul began her scientific career as a technician collecting mosquito specimens for the United States Operations Mission (USOM) malaria control program. Throughout her career, she discovered 23 species and officially described 13 others.

Meemann Chang (born 17 April 1936) is a Chinese palaeontologist who studied the fossils of ancient fish to understand the evolution of life. By examining fossils, she uncovered new insights on how vertebrates, animals with a backbone, migrated from the sea and became adapted to live on land.

Michiyo Tsujimura (17 September 1888 – 1 June 1969) was a Japanese agricultural scientist and biochemist recognized for her research of green tea components.

Tsai-Fan Yu (1911 – 2 March 2007) was a Chinese-American physician and researcher who was the first female full professor at Mount Sinai School of Medicine. She discovered that gout, a condition characterized by the painful inflammation of joints, was caused by elevated levels of uric acid in the bloodstream.

Roseli Ocampo-Friedmann (23 November 1937 – 4 September 2005) was a Filipino-American scientist whose research focused on cyanobacteria and microorganisms that inhabit extreme environments.

Bibha Chowdhuri (1913 – 2 June 1991) was an Indian physicist who researched on particle physics and cosmic rays. In 1936, she was the only female to complete a M.Sc. degree at the University of Calcutta.

Ogino Ginko (3 March 1851 – 23 June 1913) was the first registered female doctor to practise modern medicine in Japan.

Gloria Lim (1930-2022) was a mycologist from Singapore who studied tropical fungi. One of the first students to attend University of Malaya when it was founded in 1949, she went on to become the first female Dean of the Faculty of Science at the University of Singapore.

Anna Mani (23 August 1918 – 16 August 2001) was an Indian meteorologist who contributed significantly to the understanding of solar radiation, ozone and wind energy by developing a wide range of measurement tools. One of India’s pioneering female scientists, Mani excelled in the male-dominated area of meteorology and became the Deputy Director-General of the India Meteorological Department.

Japanese geochemist Katsuko Saruhashi developed the first method and tools for measuring carbon dioxide in seawater