Elie Rochet, better known under the pseudonym Baudouin, is an artist for whom historical records and biographical details are very scarce or unclear. The lack of widely available information might be due to various reasons, such as the artist's possible choice to remain out of the public eye, historical records that have been lost or were never extensive to begin with, or the artist operating under a pseudonym that has made tracing their life difficult. It is also possible that Elie Rochet dit Baudouin may not be widely recognized in major art historical references or his works may not be extensively collected or exhibited in major galleries or museums.
In the context of art history, there are many artists who have not been thoroughly documented or studied, and Elie Rochet dit Baudouin might fit into this category. These artists often worked outside the mainstream art markets or were active in regions or periods that did not keep extensive records. They may also have been overshadowed by more prominent artists of their time.
Since I can't provide a complete biography due to the lack of specific information about Elie Rochet dit Baudouin's life and career, I can offer some general advice for those interested in learning more about lesser-known artists. Researching such artists typically involves a combination of techniques: examining surviving works of art, if any; looking for mentions in historical documents, such as letters, inventory lists, or newspaper articles; consulting specialized art historians or scholars who might have delved into niche areas of art history; and visiting or contacting museums, libraries, and archives that focus on the particular region or period in which the artist was active.