Miguel Ángel Velasco has passed away. Beyond being a friend and accomplice in certain visionary pursuits, he was one of the finest poets in the Spanish language in recent decades. By José Carlos Aguirre.

With this installment* we say goodbye to the series of articles by—and about—Albert Hofmann. The good doctor explains the foundations of using entheogens in psychotherapy, a currently fashionable topic but one that was very common in medical practice during the 1950s and early 1960s, before these drugs were banned. At the end he reaches the conclusion later developed in the psychotherapeutic approaches of Humphrey Osmond, Abram Hoffer, and Stanislav Grof, among others.

LSD, la medicina del doctor Albert Hofmann

Peyote is a small, spineless, carrot-shaped cactus that grows in Mexico, Texas, and New Mexico—on both sides of the Rio Grande and further south in regions like Zacatecas and Tamaulipas—thriving in limestone deserts and river valleys under the shade of shrubs that protect it from the harsh sun.