Obituaries Norman Alexander Todd BMJ 2022; 379 doi: https://doi.org/10.1136/bmj.o2836 (Published 24 November 2022) Cite this as: BMJ 2022;379:o2836 Article Related content Metrics Responses Peer review Related articles No related articles found. See more Maternity care: Entonox is withdrawn from some hospitals because of risk to staff from high exposure BMJ January 27, 2023, 380 p212; DOI: https://doi.org/10.1136/bmj.p212 Government has wasted £15bn on unused PPE and other pandemic purchases BMJ January 27, 2023, 380 p213; DOI: https://doi.org/10.1136/bmj.p213 Covid-19: JCVI recommends autumn vaccine booster for the most vulnerable BMJ January 27, 2023, 380 p204; DOI: https://doi.org/10.1136/bmj.p204 Black women in England are at greater risk of late cancer diagnosis than white women BMJ January 27, 2023, 380 p211; DOI: https://doi.org/10.1136/bmj.p211 The questionable value of colorectal cancer screening BMJ January 27, 2023, 380 p200; DOI: https://doi.org/10.1136/bmj.p200