Robert McCance Professor of Experimental Medicine, played a leading part in wartime rationing and 1940s government nutrition efforts.

In the 1950s, excavations revealed remnants of the complex, a lay graveyard with reburied skeletons, shattered stained glass, and a large Saxon jar.

[19] In the early twentieth century, a High Church group among the fellows was instrumental in the rebuilding and enlargement of the chapel, which was provided with a richly carved interior in late seventeenth-century style, designed by Thomas Henry Lyon, and somewhat at odds with the college's original Puritan ethos.

[23] This court incorporates a number of buildings that house offices, the Junior Common Room (JCR) and a wood panelled chapel.

The carved interior of the Chapel was installed in the early 20th century to suit the High Church tastes of a group of college fellows.

Sidney's Dining Hall features decorated plasterwork, pillars, and an elaborate rococo ceiling with a centrepiece of scrolls and acanthus foliage.

[28] Cloister Court, completed in 1891, was designed by John Loughborough Pearson in the Gothic revival style,[29] incorporating elements that reflect the Franciscan heritage of the site.

The Choir of Sidney Sussex College, Cambridge is made up of six to eight sopranos, six altos (male and female), six tenors, three baritones, and three basses.

In fact, no meetings were held from 1914 to 1919 but since, during the First World War, "the University itself almost ceased to function ... the hiatus of 1914–19 is not counted as a break in the continuity of the society".

[36] They achieved the following impressive scores to victory:[37] David Lidington, who later became a prominent member of Theresa May's government, captained the team during the Reunited series.

Nicholas Graham fondly remembered the 2002 competition, recalling the team's initial reservations about returning after so many years but being delighted by their performance.

In 2022, an 'Arcade' theme featured Pacman, the Ghost Gang, and a neon maze in Hall Court, with the Knox-Shaw Room transformed into a retro arcade.

The chorus exhorts the audience:[43] 'Go travel round the town, my friend, whichever way you please, From Downing up to Trinity, from Peterhouse to Caius: Then seek a little College just beside a busy street, Its name is Sidney Sussex, and you'll find it Bad to Beat.'

[44] His time at Sidney is often cited as instrumental in shaping his religious and political convictions,[45] which later defined his role in the English Civil War and as Lord Protector of England.

Notable legal alumni include Antônio Augusto Cançado Trindade (judge on the International Court of Justice from 2009 until his death in 2022).

Notable politicians to have attended the college include the civil servant Sir Basil Engholm; and the former Foreign Secretary and leader of the Social Democratic Party Lord Owen.

Former students also include Chris Grayling; David Lidington; Rebecca Evans; Ken Skates, and the late Brian Lenihan, former Minister of Finance in the Republic of Ireland.

They were Gordon Welchman, a Sidney Research Fellow in Mathematics who recruited many of them, John Herivel, Asa Briggs, Paul Coales, Malcolm Chamberlain, Edward Dudley Smith, John Manisty, Jim Passant, David Rees, Howard Smith (later head of MI5) and Leslie Yoxall (famous for his work in Hut 8 on breaking the German naval officers' code).

Andrew Rawnsley, author, broadcaster, and Associate Editor of The Observer newspaper, is among them, as well as Paddy Lowe, former Technical Director of the Mercedes-Benz Formula One team.

In the music industry, Al Doyle (1998) and Felix Martin (1999) of the electronic band Hot Chip are notable alumni, and in 2010, the American composer Eric Whitacre was named Visiting Fellow and Composer-in-Residence.

Daniel Levy, a Sidney Sussex College, Cambridge alumnus,[48] earned his degree in Economics and Land Economy before embarking on a successful career in business.

During his tenure, Levy has overseen significant developments, including the construction of the Tottenham Hotspur Stadium and the club's transformation into a global brand.