Luis Germán Cajiga was born in Quebradillas Puerto Rico , a town on the North West side of the island in 1934. Luis worked in his fathers (Don Guillo's) cigar shop until the age of eighteen, dreaming about being an artist but uncertain about what his artistic future would look like.

Luis G. Cajiga is one of the most known Puerto Rican artist. He has been specialized in serigraphy, since he started his studies in the Division of Community Education in Old San Juan on 1952. There he met Lorenzo Homar, Rafael Tufiño, Félix Bonilla, and José Meléndez Contreras, who were his first teachers. He also studied a course of perspective with the great teacher Fran Cervoni.

Cajiga’s first exhibition was in 1956 in the Puerto Rican Atheneum. Since that, he has exhibited in many educational and cultural institution and commercial galleries. Many cities and countries have seen his works. In the US, he exhibited in New York, New Jersey, Philadelphia, Boston, Chicago, Atlanta, and Loma Linda, California. He participated in exhibitions of Puerto Rican art in Cuba, Dominican Republic, Mexico, Venezuela, Costa Rica, France, Spain, Japan and Russia.

In 1964, Cajiga, with other 9 Puerto Rican artists visited New York for the opening of the exhibition of the island’s most known artists in the Riverside Museum. Heading this tour was the director of the Institute of Puerto Rican Culture, Doctor Ricardo Alegría and his wife, Mela. This was an opportunity to visit museums art schools and galleries of the great city.

Cajiga won the second price in the contest sponsored by the Fire Department in 1957. It was a poster design for the Fire Prevention Week. On 1965, he won the first price in the Puerto Rican Atheneum, in the Christmas Festival. A year later, he won the first price on the contest sponsored by the IBEC company in the city of Caguas. In 1969 the contest of San Juan City Hall gave him a second price for a painting of the old city. He won also a price for his design of a plate celebrating the 450 anniversary of the foundation of the city of San Juan. This price was given by the Sterling House of Santurce.

Among the distinctions Cajiga won, are a proclamation of the Puerto Rican Senate; a proclamation of Major Washington of Chicago, and another of the majors of Perth Amboy and Elizabeth in New Jersey; the government of Boston, The Director of Human Resources of Washington DC, the Puerto Rican Free Enterprise Association, and the Superior Council of Art.

A design of Cajiga was chosen for the Hispanic Heritage Month of the year 1997. For the opening of that month; Cajiga visited The Post Office Center in the nation’s capital.

One great exposition was held in the Museum in Ponce, the greatest and more important museum in the island. His exhibition in the San Juan Museum of Art and History in Old San Juan, on 1987, was a great one, for he present 200 serigraphs, created in a span of 30 years.

Now, at the age of 66, Cajiga is working more on acrylics. He has his own gallery, Estudio Cajiga, in Old san Juan, in front of Pier 4, where he has his recent acrylics,, and many of his serigraphs. Also he has reproductions and engravings.