During the 2007 LFI confrence, Gustavo Aviles will deliver a keynote speach titled "Following the sun". Gustavo will elaborate on Ancient cultures, i.e. Mayan, Aztec, and Egyptian, and their profound knowledge of the meaning, use and cultivation of daylight. "Harmony in an effortless sequential rhythm and a non-objective knowledge is what, in light terms, measures the cycles from beginning to end manifested in the Universe as day and night. Our current daylighting technology is returning to nature, the fountain of its origin." The speach is sceduled on Thursday May 10, 2007, starting at 8:30 AM.