Sir John Cunningham McLennan

1867 – 1935

• Electric screening in vacuum tubes
• Industrial research in Canada
• On the magnetic properties of Heusler's alloys
• On the radioactivity of lead and other metals
• On the radioactivity of metals generally
• On the susceptibility of mixtures of salt solutions
• Roentgen radiation
• The radioactivity of lead
• Electric screening in vacuum tubes
• Induced radioactivity excited in the air at the foot of waterfalls
• Industrial research in Canada
• Note on the use of sensitive quadrant electometers