Marian Ewurama Addy FGA OV (née Cole; 7 February 1942 – 14 January 2014) was a Ghanaian biochemist[1][2][3] and the first Host of the National Science and Maths Quiz.

[8][1] She was educated at St Monica's Secondary School in Mampong-Ashanti from January 1956 to June 1960 where she excelled in sports and obtained her 'O' and 'A' level certificates.

[12] In 1994, she was a member of a 4-member UNDP team of consultants in Ghana tasked with formulating a National Action Program for Science and Technology Development.

[13] She served as a member of WHO Regional Expert Committee on Traditional Medicine, and worked as an advisor to the International Foundation for Science, in Stockholm, Sweden.

[14] Addy's focus of academic research was the biochemistry of herbal medicinal products used by traditional medical practitioners to treat common ailments; especially in areas relating to their safety and efficacy.

[9][11] Her research on the flowering legume Desmodium adscendens used by herbalists to treat asthma and allergies showed that the active ingredient was a new class of compounds now called soyasaponins.

[18] During her life, Marian Ewurama Addy published 22 research publications pertaining to asthma, anaphylaxis, Type 2 diabetes, and hypertension in relation to herbal treatments.

Her influence in the general science knowledge of the youth of Ghana led to more females being interested and pursuing STEM related fields of study.