Vincent is Charlotte's uncle and a reporter for the French newspaper Excelsior.
He renounced his post as director of this observatory in 1947 and returned to Mexico City, where he dedicated himself to writing articles on astronomy for the newspaper Excélsior.
Analyzing the political scene recently, the daily newspaper Excelsior detected what it called a "dense mass of ambitious politicians and false collaborators who dream of surrounding the ruler."
While practising physics, he wrote a weekly column in the newspaper Excélsior on Mexican politics.
When my lamentation to the newspaper Excelsior was published, I received dozens of letters from Mexico offering sympathy and pleas not to judge Mexicans by my experience.
She is also a weekly columnist for the Mexican newspaper Excélsior and contributor for Radio Trece in the metropolitan area of DF.
In an obituary, Mexican newspaper Excélsior wrote "With Umansky, a new era in local diplomatic activity has begun.
When she was eighteen and without a university education, she began writing for the newspaper Excélsior, doing interviews and society columns.
At the same time, in the daily newspaper Excelsior, José Antonio Crespo wrote in favor of a recount.
She also wrote a weekly column for the newspaper Excélsior.