G. R. Osborn · 1943
This 1943 medical study examined pathological findings in 262 fatal accident cases, focusing on lung damage patterns including pulmonary edema and blast-related injuries. The research documented specific types of traumatic lesions found during post-mortem examinations of accident victims. While not directly EMF-related, this early work established baseline understanding of how external forces cause cellular and tissue damage in humans.
L. Eugene Daily · 1943
This 1943 clinical study examined the health effects of radar and high-frequency radio exposure on laboratory personnel during World War II. The research represents one of the earliest documented investigations into occupational EMF exposure, conducted when radar technology was rapidly expanding. The study's mixed findings highlight the early recognition that electromagnetic fields could affect human health in workplace settings.
J. L. Oncley · 1942
This 1942 foundational study investigated how proteins behave when exposed to electromagnetic fields, measuring their dielectric properties (how they respond to electrical fields). Researchers found that proteins have unique electromagnetic signatures that differ significantly from simple salt solutions, establishing early scientific methods for understanding how biological molecules interact with electromagnetic energy.
Gyula v. Lugossy · 1942
This 1942 study examined how diathermy (a medical treatment using radiofrequency energy to heat deep tissues) affects the human eye. The research investigated potential eye damage from RF electromagnetic fields used therapeutically. This represents early recognition that electromagnetic fields could cause biological effects in sensitive organs like the eyes.
Kenneth S. Cole, Robert H. Cole · 1941
This 1941 technical study by K.S. Cole examined how dielectric materials (insulators like those in electronic devices) respond to alternating current electrical fields. The research explored fundamental properties like dielectric constants and relaxation times that determine how materials absorb and scatter electromagnetic energy.
Bennett RL, Hines EA, Krusen FH · 1941
This 1941 study examined short-wave diathermy (a medical heating device using radio frequency energy) and its effects on foot skin temperature. The researchers found that while diathermy produces deep tissue heating, it can be harmful for patients with poor blood circulation and should be avoided in cases of arterial insufficiency.
N.P. Kokhanovich · 1941
Soviet researchers in 1941 studied how high-frequency electromagnetic fields affect kidney function in dogs, specifically examining changes in urine production (diuresis) and reflexive kidney shutdown (anuria). This early research explored whether radiofrequency fields could influence the body's fluid regulation systems through the kidneys.
Kenneth S. Cole, Robert H. Cole · 1941
This 1941 foundational study by Cole established the mathematical framework for understanding how electromagnetic fields interact with different materials, including biological tissues. The research developed the Cole-Cole equation, which describes how materials absorb and disperse electromagnetic energy across different frequencies. This work became the scientific basis for measuring how EMF penetrates and affects living tissue.
C. F. Wagner, G. D. McCann, Edward Beck · 1941
This 1941 engineering study examined lightning strikes and electrical currents, measuring how lightning creates multiple electrical discharges and the wave patterns of these currents. Researchers found clear differences between direct lightning strikes and the electrical currents they produce in lightning arresters (protective devices).
John MacLeod, Robert S. Hotchkiss · 1941
This 1941 study examined how fever affects sperm counts in men, building on animal research showing that elevated testicular temperature damages sperm production. Researchers tracked sperm counts at various intervals after men experienced high body temperatures from fever treatment. The study confirmed that heat exposure significantly reduces male fertility, providing the first human evidence of temperature's impact on sperm production.
Hasche E. · 1940
This 1940 study by Hasche examined how short wave radiofrequency radiation affects biological tissue in both human and animal subjects. The research represents one of the earliest scientific investigations into RF energy's biological effects, conducted during the early development of radio technology. This foundational work helped establish the field of bioelectromagnetics research.
Bauer, J., Gutman, G. · 1940
This 1940 study by Julius Bauer examined how diathermy (deep heating therapy using radiofrequency energy) affects male reproductive function and sperm production. The research investigated whether the heat generated by RF energy exposure could damage testicular tissue and impair fertility. This early work helped establish the biological effects of radiofrequency radiation on sensitive reproductive organs.
Bauer, J., Gutman, G. · 1940
This 1940 research by Dr. Bauer examined how diathermy treatments affected male reproductive function. Diathermy uses radiofrequency energy to generate deep tissue heat for therapeutic purposes. The study investigated potential impacts on testicular function and sperm production from this early form of medical RF exposure.
Bauer, J., Gutman, G. · 1940
This 1940 research by Dr. Bauer investigated how diathermy (medical heating using radio frequency energy) affected male reproductive function and sperm production. The study examined whether RF-based heat treatments used in medicine could impact testicular health. This represents some of the earliest documented research into how electromagnetic fields might affect human fertility.
Ferrari RP · 1940
This 1940 study by Ferrari examined occupational injuries in workplace settings, focusing on exposure risks, safety practices, and engineering controls. While specific findings aren't available, the research addressed worker health effects and toxicity concerns in industrial environments. This represents early recognition that workplace exposures require systematic study and protective measures.
Knaus, H. · 1940
This 1940 research by Knaus examined how temperature affects sperm sensitivity to radiation exposure, focusing on the testicles' thermal response. The study explored the relationship between heat and radiation effects on male reproductive cells. This early work laid groundwork for understanding how environmental factors like electromagnetic fields might interact with thermal stress to affect fertility.
Hasche, E. · 1940
This 1940 research by E. Hasche examined how short wave radiofrequency radiation affects biological tissue. While specific findings aren't available, this represents early scientific investigation into RF energy's biological effects. The study contributes to our foundational understanding of how electromagnetic fields interact with living systems.
HERBERT J. JOHNSON · 1940
This 1940 study compared how transplanted tumors responded to heat generated by short radio waves, testing both tumors grown in living animals versus laboratory conditions. Researchers used thermocouples to measure tissue heating and examine whether radio wave-induced thermal effects affected tumor sensitivity differently in these two environments.
Makoto Koiwa · 1939
This 1939 Japanese study examined how short wave radio frequency radiation affected kidney function in animals, specifically measuring glomerular filtration (how kidneys filter blood) and tubular reabsorption (how kidneys reclaim useful substances). The research compared normal kidneys with denervated kidneys (surgically disconnected from nerve control) to understand how RF exposure impacts this vital organ system.
FRANK HAMMOND KRUSEN, M.D. · 1939
This 1939 preliminary report by Dr. F.H. Krusen examined short wave diathermy, a medical therapy using radiofrequency electromagnetic fields to generate deep tissue heating. The study represents early medical research into controlled EMF exposure for therapeutic purposes, documenting effects of RF radiation on human patients during clinical treatment.
Liebesny P · 1938
This 1938 research examined athermic short wave therapy, an early form of radiofrequency medical treatment that used electromagnetic fields without generating significant heat in body tissues. The study explored therapeutic applications of RF energy, including effects on biological emulsions and cellular structures described as 'pearl chains.' This represents some of the earliest documented medical use of radiofrequency electromagnetic fields.
Frenkel, G. L. · 1937
This 1937 research examined the biological effects of VHF-HF (very high frequency to high frequency) electromagnetic fields, representing some of the earliest scientific investigation into how radio frequency radiation affects living systems. The study documented various characteristics of how biological organisms respond to these electromagnetic exposures. This pioneering work laid groundwork for understanding RF bioeffects decades before widespread wireless technology adoption.
FRANK DICKENS, STANLEY F. EVANS, HANS WEIL-MALHERBE · 1937
This 1937 study examined whether short radio waves could treat tumors in live animals. Researchers found that radio waves only affected tumors when they generated enough heat to raise tissue temperature, with no special anti-cancer properties beyond thermal effects. The study concluded that radio wave therapy offered no advantages over established treatments like surgery or X-rays.
F. W. HARTMAN · 1937
This 1937 study examined brain damage and organ injury in humans and animals exposed to controlled fever therapy (artificial heating). Researchers found severe tissue damage including brain hemorrhages, lung congestion, liver degeneration, and cellular death across multiple organs. The study documented how heat exposure causes widespread biological harm.
Wilhelm Krasny-Ergen · 1936
This 1936 German technical paper by Wilhelm Krasny-Ergen studied electromagnetic field distribution patterns, specifically examining short waves and rotating fields around cylindrical objects. The research focused on mathematical modeling of how radio frequency fields behave in different configurations. This represents early foundational work in understanding electromagnetic field propagation.