During Oct 15-16, 2018, there was a conference at The Royal Society, London, to commemmorate the Centenary of the election of Srinivasa Ramanujan as FRS. The conference was organized by George Andrews (Penn State), Manjul Bhargava (Princeton), Ken Ono (Emory), and Robert Vaughan, FRS (Penn State).
- Carlton House, the official building of The Royal Society
- Group photograph of the speakers. From L to R – P. P. Vasidyanathan (Caltech), K. Soundararajan (Stanford), Jeff Harvey (U Chicago), Sujatha Ramdorai (UBC, Vancouver), Miranda Cheng (U Amsterdam), Amanda Folsom (U Amherst), Bruce Berndt (Illinois), George Andrews (Penn State), Trevor Wooley (Bristol), Ken Ono (Emory), Peter Sarnak (Princeton), Alex Lubitzky (Hebrew U), Krishna Alladi (U Florida)
- Group photograph of the speakers. From L to R – P. P. Vasidyanathan (Caltech), K. Soundararajan (Stanford), Winnie Li (Penn State), Jeff Harvey (U Chicago), Sujatha Ramdorai (UBC, Vancouver), Miranda Cheng (U Amsterdam), Amanda Folsom (U Amherst), Bruce Berndt (Illinois), George Andrews (Penn State), Trevor Wooley (Bristol), Ken Ono (Emory), Peter Sarnak (Princeton), Alex Lubitzky (Hebrew U), Krishna Alladi (U Florida)
- L to R – George Andrews, Bruce Berndt, Ken Ono and Krishna Alladi
- P. P. Vaidyanathan (Caltech) delivering his lecture on Ramanujan Sums and Signal Processing
- Bust of Ramanujan by sculptor Paul Granlund. This bust which belonged to Nobel Laureate S. Chandrasekhar, was gifted to the Royal Society.
- Alex Lubotzky (Hebrew Univ., Jerusalem) before the start of his lecture on Ramanujan Graphs.
- Astrophysicist Aswin Sekhar (Oslo) with Krishna Alladi
- Maryna Viazovska (EPF Lausanne) delivering her lecture on the sphere packing problem in dimensions 8 and 24
- Winnie Li (Penn State) delivering her lecture on the Ramanujan Conjecture and Ramanujan Complexes
- Speakers in conversation before the banquet, L to R – Trevor Wooley, K. Soundararajan, Robert Vaughan, George Andrews, Winnie Li, and P. P. Vaidyanathan.
- Jeff Harvey (Chicago) in conversation Ken Ono (Emory) before the banquet.
- Speakers at the banquet table. L to R – George Andrews, Amanda Folsom, Sujatha and husband Ramdorai, Ken Ono and his wife.
- Speakers at the banquet. R to L – Krishna Alladi, Trevor Wooley, Soundararajan, Robert Vaughan, Winnie Li, P. P. Vaidyanathan, Jeff Harvey and his wife, Peter Sarnak
- G. H. Hardy’s letter of Dec 1917 nominating Ramanujan for Fellowship of The Royal Society
- M. Vidyasagar (FRS), son of the late number theorist M. V. Subbarao, with Krishna Alladi
- Peter Sarnak (Princeton) before the start of his lecture on the Ramanujan Conjectures.
- Peter Sarnak introducing Sujatha Ramdorai (Univ. British Columbia)
- Amanda Folsom (Univ. Amherst) giving her talk on mock theta functions and mock modular forms
- Kannan Soundararajan (Stanford) delivering his lecture
- Soundararajan taking questions after his lecture. Sarnak moderating.
- Krishna Alladi (Univ. Florida) delivering his lecture on the work of the SASTRA Ramanujan Prize Winners
- Krishna Alladi next to the bust of Ramanujan at The Royal Society, London.