The discussion centers on the historical development of the double-slit experiment involving electrons, particularly focusing on the first experiments conducted with single electrons and the contributions of various scientists over time.
Participants present various historical details and milestones regarding the double-slit experiment with electrons, but there is no consensus on the specifics of the experiments or the implications of the findings.
Some claims rely on specific historical interpretations and may depend on the definitions of key terms like "double-slit experiment" and "single electron." The discussion includes references to multiple experiments without resolving the timeline or significance of each.
This page says the guy's name was Claus Jönsson, and the experiment was done in 1961.From the 1927-8 electron crystal scattering results by Davisson (USA) and G. Thomson (UK) right up to the 1960s, classical double-slit interference of electrons remained in the "Gedankenexperiment" realm. Then Jönsson in Tübingen found a clever means to produce slit masks of unprecedented minuteness (ca 1 \mu). Figure 1 shows the result for double-slit interference of an electron beam, the first direct corroboration that the Young result still obtains.