THE O2-O3 STARS PRESAGED IN THE BOLETíN DE LOS OBSERVATORIOS DE TONANTZINTLA Y TACUBAYA

Following an irrelevant, mildly humorous personal anecdote involving the Bolet′ n, two papers published there that are relevant to the discovery of the most massive hot stars, of spectral types O2 O3, are noted and related to subsequent developments in that field.