[1] She had been on her first trip to Mexico and was in Taxco when she first heard of the Japanese attack on Pearl Harbor, and she promptly returned to New York by bus.
[2] Jacobson was a socialist who became involved in political causes, protesting at the White House against the planned execution of Julius and Ethel Rosenberg.
[2] Jacobson had been working as a mechanical drafter in New York City and had visited Mexico several times before, but a planned 10-day trip to Mexico in September 1956, to follow up on Marren's invitation — taken in the wake of the difficulties she experienced as a Communist supporter and lesbian at the height of McCarthyism — ended up with her settling in Chiapas with Marren, her companion and partner.
The bulk of her 14,000 negatives represented photos of everyday life, providing details of the business and religious practices of local people, taken in the marketplace and along its narrow streets, and also individuals and landscapes.
[1] A bilingual, retrospective survey of 75 of her photographs was published by Stanford University Press in 2001 as The Burden of Time / El Cargo del Tiempo.