Jose Ojeda penned the note "Estamos bien en el refugio los33" ("We are okay in the refuge, the 33 of us") which was discovered attached to a probe 17 days after the mine collapse.
Mario Gomez - at 63 the oldest of the men, who has been in the mining industry since the age of 12 - wrote the now famous note: "Estamos bien en el refugio los33 - All 33 of us are fine in the refuge".
Sylvan has won contracts to provide remedial teaching for disadvantaged children in 17 states, including 13 schools in Baltimore and 33 in Los Angeles.