Fred and Eva Meyer stand with employees of the Portland Zoo (later known as the Oregon Zoo) and two peacocks. Two of the employees are kneeling, each holding a bird (negative 1 of 4).

Fred and Eva Meyer with two peacocks and an employee at the Portland Zoo (later known as the Oregon Zoo). They are looking downward at the peacocks, with one of the men kneeling. Three other peacocks can be seen on a pole above the group (negative 2 of 4).

A portrait, depicting an unidentified Portland Zoo keeper with a snake, hangs over a shelf holding several skulls (negative 1 of 9).

Jack Marks, Director of the Portland City Zoo (later known as the Oregon Zoo), holds an African Rock Python in both hands (negative 11 of 13).

Portland Zoo director Jack Marks at the Portland Zoo (later the Oregon Zoo), measuring an emu egg with a ruler. A cropped version of this photograph was published in the Oregon Journal on Sunday, March 28, 1954 (negative 3 of 6).

Portland Zoo (later the Oregon Zoo) trainer Al Knowles, feeding bear cubs using a bottle. The cubs are on newspaper on a desk, as Knowles feed ones. He holds a cigarette in his mouth. Photographs from this series were published in the Oregon Journal on Wednesday, March 17, 1954 (negative 6 of 6).

Portland Zoo trainer Al Knowles with two Gibbons "Trouble" and "Double Trouble" donated to Portland Zoo by Austin Flegel. Knowles sits on a set of steps in front of a building, holding a chain attached to the Gibbons. One sits on his lap while another is on the top step (negative 3 of 3).

Portland Zoo (later the Oregon Zoo) trainer Al Knowles, kneeling in an area of straw and holding two small lion cubs. He holds the cubs to his chest and he looks downward (negative 2 of 4).

Two men kneel in the penguin enclosure at the Oregon Zoo in Portland, Oregon. The man on the left holds his hand out to a group of approaching penguins. The man on the right smiles as a penguin stands in front of him. In the background, a small group of visitors watch the scene from above the enclosure. The caption on the negative sleeve reads, "Penguins checked by Alan Best, of the Vancouver B.C. zoo - and Jack Marks, Portland Zoo" (negative 1 of 8).

Jack Marks, Portland Zoo (later Oregon Zoo) director, with a six-month-old male ocelot cub that was recently added to the Portland Zoo (negative 8 of 11).