Meaning: This quote by Gabriel Lippmann, a renowned scientist, reflects his dedication to the pursuit of progress in his work. In this quote, Lippmann discusses the exposure time required for taking a portrait, particularly in sunlight. He notes that the current exposure time of one minute is still too long for the portrait, especially considering that it was originally fifteen minutes when he first began his work.

Gabriel Lippmann was a physicist and a Nobel laureate known for his groundbreaking work in the field of color photography. In the late 19th and early 20th centuries, he made significant contributions to the development of color photography techniques, including the invention of the Lippmann plate, which was used to produce color photographs by the interference phenomenon.

In the context of this quote, Lippmann's mention of the exposure time for taking a portrait sheds light on the technical challenges and advancements in the early days of photography. During the early stages of photography, long exposure times were required to capture images, often ranging from several minutes to even hours, depending on the available lighting conditions and the sensitivity of the photographic materials used.

Lippmann's reference to the reduction in exposure time from fifteen minutes to one minute underscores the progress he has witnessed in the field of photography. This progress may be attributed to advancements in photographic technology, such as the development of more light-sensitive emulsions and improved camera designs. Lippmann's emphasis on the potential for further progress indicates his optimism and determination to push the boundaries of what was achievable in the realm of photography.

Moreover, the quote embodies the essence of scientific inquiry and innovation. Lippmann's keen observation of the exposure time and his willingness to experiment and improve the process reflect the iterative nature of scientific discovery. His statement implies that he is not content with the current state of affairs and is committed to driving further advancements in his work.

Lippmann's work in color photography revolutionized the field and laid the foundation for subsequent developments in the medium. His innovative contributions have had a lasting impact on the art and science of photography, and his dedication to progress serves as an inspiration for future generations of scientists and photographers.

In conclusion, Gabriel Lippmann's quote encapsulates his relentless pursuit of progress and innovation in the realm of photography. His recognition of the need to continually improve exposure times for portraits reflects his commitment to advancing the technical aspects of photography. Lippmann's legacy as a pioneering scientist in the field of color photography endures, and his quote serves as a testament to the enduring spirit of scientific inquiry and progress.