Identity pivot: 'Modeste Guillaume' begins advertising as G. Mahmud-Ahmad Abdoullah

In 1923 the man later known as Abdullah shifted identity from 'Modeste Guillaume' to 'G. Mahmud-Ahmad', per research on his advertisements.
Person: Abdullah
Ruling: accepted as possible, Rudi 2026-07-23

Date (happened)
1923
unresolved
  1. 1923 stated · possible · preferred
    Source Neville Lectures Index ¶8"When 'Modeste Guillaume' Became G. Mahmud-Ahmad: The 1923 Pivot"
Persons
Modeste Bel Guillaume
Sources

Source